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55308150 = 2335253773
BaseRepresentation
bin1101001011111…
…0111101110110
310212001221112000
43102332331312
5103124330100
65253240130
71241053152
oct322767566
9125057460
1055308150
1129246917
1216633046
13b5c6521
1474ba062
154cc7900
hex34bef76

55308150 has 96 divisors (see below), whose sum is σ = 155481120. Its totient is φ = 14451840.

The previous prime is 55308109. The next prime is 55308163. The reversal of 55308150 is 5180355.

55308150 is a `hidden beast` number, since 5 + 530 + 81 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71164 + ... + 71936.

It is an arithmetic number, because the mean of its divisors is an integer number (1619595).

Almost surely, 255308150 is an apocalyptic number.

55308150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55308150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77740560).

55308150 is an abundant number, since it is smaller than the sum of its proper divisors (100172970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55308150 is a wasteful number, since it uses less digits than its factorization.

55308150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55308150 is about 7436.9449372709. The cubic root of 55308150 is about 381.0041539630.

The spelling of 55308150 in words is "fifty-five million, three hundred eight thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 90 106 135 150 159 225 265 270 318 450 477 530 675 773 795 954 1325 1350 1431 1546 1590 2319 2385 2650 2862 3865 3975 4638 4770 6957 7155 7730 7950 11595 11925 13914 14310 19325 20871 23190 23850 34785 35775 38650 40969 41742 57975 69570 71550 81938 104355 115950 122907 173925 204845 208710 245814 347850 368721 409690 521775 614535 737442 1024225 1043550 1106163 1229070 1843605 2048450 2212326 3072675 3687210 5530815 6145350 9218025 11061630 18436050 27654075 55308150