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55355910 = 23517108541
BaseRepresentation
bin1101001100101…
…0101000000110
310212011101000220
43103022220012
5103132342120
65254245210
71241342331
oct323125006
9125141026
1055355910
1129279795
1216656806
13b61219c
1474cd618
154cd6b40
hex34caa06

55355910 has 32 divisors (see below), whose sum is σ = 140670432. Its totient is φ = 13893120.

The previous prime is 55355897. The next prime is 55355933. The reversal of 55355910 is 1955355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53761 + ... + 54780.

It is an arithmetic number, because the mean of its divisors is an integer number (4395951).

Almost surely, 255355910 is an apocalyptic number.

55355910 is an abundant number, since it is smaller than the sum of its proper divisors (85314522).

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

55355910 is a wasteful number, since it uses less digits than its factorization.

55355910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108568.

The product of its (nonzero) digits is 16875, while the sum is 33.

The square root of 55355910 is about 7440.1552403159. The cubic root of 55355910 is about 381.1137913499.

It can be divided in two parts, 55355 and 910, that added together give a palindrome (56265).

The spelling of 55355910 in words is "fifty-five million, three hundred fifty-five thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 108541 217082 325623 542705 651246 1085410 1628115 1845197 3256230 3690394 5535591 9225985 11071182 18451970 27677955 55355910