55917592 has 32 divisors (see below), whose sum is σ = 108011520. Its totient is φ = 27125280.

The previous prime is 55917581. The next prime is 55917593. The reversal of 55917592 is 29571955.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55917593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47167 + ... + 48337.

It is an arithmetic number, because the mean of its divisors is an integer number (3375360).

Almost surely, 2^55917592 is an apocalyptic number.

It is an amenable number.

55917592 is a deficient number, since it is larger than the sum of its proper divisors (52093928).

55917592 is a wasteful number, since it uses less digits than its factorization.

55917592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1347 counting only the distinct ones).

The product of its digits is 141750, while the sum is 43.

The square root of 55917592 is about 7477.8066302894. The cubic root of 55917592 is about 382.3984767655.

The spelling of 55917592 in words is "fifty-five million, nine hundred seventeen thousand, five hundred ninety-two".