55057672 has 16 divisors (see below), whose sum is σ = 105181740. Its totient is φ = 27009216.

The previous prime is 55057663. The next prime is 55057703. The reversal of 55057672 is 27675055.

It can be written as a sum of positive squares in 2 ways, for example, as 52215076 + 2842596 = 7226^2 + 1686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64503 + ... + 65350.

Almost surely, 2^55057672 is an apocalyptic number.

It is an amenable number.

55057672 is a deficient number, since it is larger than the sum of its proper divisors (50124068).

55057672 is a wasteful number, since it uses less digits than its factorization.

55057672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129912 (or 129908 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 55057672 is about 7420.0857137906. The cubic root of 55057672 is about 380.4281232030.

The spelling of 55057672 in words is "fifty-five million, fifty-seven thousand, six hundred seventy-two".