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53080808 = 2311603191
BaseRepresentation
bin1100101001111…
…1001011101000
310200212210011212
43022133023220
5102042041213
65133412252
71213115354
oct312371350
9120783155
1053080808
1127a65440
121593a088
13acc6781
14709a464
1549d79a8
hex329f2e8

53080808 has 16 divisors (see below), whose sum is σ = 108574560. Its totient is φ = 24127600.

The previous prime is 53080799. The next prime is 53080837. The reversal of 53080808 is 80808035.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301508 + ... + 301683.

It is an arithmetic number, because the mean of its divisors is an integer number (6785910).

Almost surely, 253080808 is an apocalyptic number.

It is an amenable number.

53080808 is an abundant number, since it is smaller than the sum of its proper divisors (55493752).

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

53080808 is a wasteful number, since it uses less digits than its factorization.

53080808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603208 (or 603204 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 53080808 is about 7285.6576916569. The cubic root of 53080808 is about 375.8193828459.

The spelling of 53080808 in words is "fifty-three million, eighty thousand, eight hundred eight".

Divisors: 1 2 4 8 11 22 44 88 603191 1206382 2412764 4825528 6635101 13270202 26540404 53080808