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55305831136 = 251728307223
BaseRepresentation
bin110011100000011111…
…000000001011100000
312021202100200022122011
4303200133000023200
51401231243044021
641223535522304
73665346544123
oct634037001340
9167670608564
1055305831136
1121500777566
12a875989394
1352a508b58a
1429692823ba
15168a5acde1
hexce07c02e0

55305831136 has 12 divisors (see below), whose sum is σ = 108883355112. Its totient is φ = 27652915552.

The previous prime is 55305831121. The next prime is 55305831157. The reversal of 55305831136 is 63113850355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864153580 + ... + 864153643.

It is an arithmetic number, because the mean of its divisors is an integer number (9073612926).

Almost surely, 255305831136 is an apocalyptic number.

It is an amenable number.

55305831136 is a deficient number, since it is larger than the sum of its proper divisors (53577523976).

55305831136 is a wasteful number, since it uses less digits than its factorization.

55305831136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728307233 (or 1728307225 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 55305831136 in words is "fifty-five billion, three hundred five million, eight hundred thirty-one thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 1728307223 3456614446 6913228892 13826457784 27652915568 55305831136