55866672 has 60 divisors (see below), whose sum is σ = 162151080. Its totient is φ = 18620928.

The previous prime is 55866661. The next prime is 55866683. The reversal of 55866672 is 27666855.

It is an interprime number because it is at equal distance from previous prime (55866661) and next prime (55866683).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3297 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (2702518).

Almost surely, 2^55866672 is an apocalyptic number.

It is an amenable number.

55866672 is an abundant number, since it is smaller than the sum of its proper divisors (106284408).

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

55866672 is a wasteful number, since it uses less digits than its factorization.

55866672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14392 (or 14374 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 55866672 is about 7474.4011131327. The cubic root of 55866672 is about 382.2823675458.

The spelling of 55866672 in words is "fifty-five million, eight hundred sixty-six thousand, six hundred seventy-two".