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53350980 = 22351396397
BaseRepresentation
bin1100101110000…
…1001001000100
310201101111210020
43023201021010
5102124212410
65143255140
71215322134
oct313411104
9121344706
1053350980
112812a421
1215a4a4b0
13b08c737
14712aac4
154a3ca70
hex32e1244

53350980 has 48 divisors (see below), whose sum is σ = 150480960. Its totient is φ = 14122368.

The previous prime is 53350939. The next prime is 53350987. The reversal of 53350980 is 8905335.

It is not an unprimeable number, because it can be changed into a prime (53350987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (3135020).

Almost surely, 253350980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53350980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75240480).

53350980 is an abundant number, since it is smaller than the sum of its proper divisors (97129980).

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

53350980 is a wasteful number, since it uses less digits than its factorization.

53350980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548 (or 6546 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 53350980 is about 7304.1755181540. The cubic root of 53350980 is about 376.4559223473.

The spelling of 53350980 in words is "fifty-three million, three hundred fifty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 6397 8340 12794 19191 25588 31985 38382 63970 76764 95955 127940 191910 383820 889183 1778366 2667549 3556732 4445915 5335098 8891830 10670196 13337745 17783660 26675490 53350980