55881932 has 6 divisors (see below), whose sum is σ = 97793388. Its totient is φ = 27940964.

The previous prime is 55881913. The next prime is 55881961. The reversal of 55881932 is 23918855.

It is a self number, because there is not a number n which added to its sum of digits gives 55881932.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985238 + ... + 6985245.

It is an arithmetic number, because the mean of its divisors is an integer number (16298898).

Almost surely, 2^55881932 is an apocalyptic number.

It is an amenable number.

55881932 is a deficient number, since it is larger than the sum of its proper divisors (41911456).

55881932 is a wasteful number, since it uses less digits than its factorization.

55881932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970487 (or 13970485 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 55881932 is about 7475.4218610056. The cubic root of 55881932 is about 382.3171712290.

The spelling of 55881932 in words is "fifty-five million, eight hundred eighty-one thousand, nine hundred thirty-two".