55775792 has 20 divisors (see below), whose sum is σ = 113753880. Its totient is φ = 26419968.

The previous prime is 55775779. The next prime is 55775803. The reversal of 55775792 is 29757755.

It is a super-2 number, since 2×55775792² = 6221877946454528, which contains 22 as substring.

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, 91433 + ... + 92040.

It is an arithmetic number, because the mean of its divisors is an integer number (5687694).

Almost surely, 2^55775792 is an apocalyptic number.

It is an amenable number.

55775792 is an abundant number, since it is smaller than the sum of its proper divisors (57978088).

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

55775792 is a wasteful number, since it uses less digits than its factorization.

55775792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183500 (or 183494 counting only the distinct ones).

The product of its digits is 771750, while the sum is 47.

The square root of 55775792 is about 7468.3192218865. The cubic root of 55775792 is about 382.0749649574.

The spelling of 55775792 in words is "fifty-five million, seven hundred seventy-five thousand, seven hundred ninety-two".