55917892 has 12 divisors (see below), whose sum is σ = 97929216. Its totient is φ = 27938120.

The previous prime is 55917889. The next prime is 55917923. The reversal of 55917892 is 29871955.

55917892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (8160768).

Almost surely, 2^55917892 is an apocalyptic number.

It is an amenable number.

55917892 is a deficient number, since it is larger than the sum of its proper divisors (42011324).

55917892 is a wasteful number, since it uses less digits than its factorization.

55917892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418 (or 10416 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 55917892 is about 7477.8266896205. The cubic root of 55917892 is about 382.3991606250.

It can be divided in two parts, 559 and 17892, that multiplied together give a triangular number (10001628 = T₄₄₇₂).

The spelling of 55917892 in words is "fifty-five million, nine hundred seventeen thousand, eight hundred ninety-two".