55792140 has 24 divisors (see below), whose sum is σ = 156218160. Its totient is φ = 14877888.

The previous prime is 55792133. The next prime is 55792159. The reversal of 55792140 is 4129755.

It is a super-2 number, since 2×55792140² = 6225525771559200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464875 + ... + 464994.

It is an arithmetic number, because the mean of its divisors is an integer number (6509090).

Almost surely, 2^55792140 is an apocalyptic number.

It is an amenable number.

55792140 is an abundant number, since it is smaller than the sum of its proper divisors (100426020).

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

55792140 is a wasteful number, since it uses less digits than its factorization.

55792140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929881 (or 929879 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 55792140 is about 7469.4136316046. The cubic root of 55792140 is about 382.1122902985.

The spelling of 55792140 in words is "fifty-five million, seven hundred ninety-two thousand, one hundred forty".