55801592 has 48 divisors (see below), whose sum is σ = 132784920. Its totient is φ = 21739200.

The previous prime is 55801579. The next prime is 55801619. The reversal of 55801592 is 29510855.

It is a super-2 number, since 2×55801592² = 6227635339468928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2159 + ... + 10782.

Almost surely, 2^55801592 is an apocalyptic number.

It is an amenable number.

55801592 is an abundant number, since it is smaller than the sum of its proper divisors (76983328).

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

55801592 is a wasteful number, since it uses less digits than its factorization.

55801592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 55801592 is about 7470.0463184642. The cubic root of 55801592 is about 382.1338675399.

The spelling of 55801592 in words is "fifty-five million, eight hundred one thousand, five hundred ninety-two".