55513672 has 16 divisors (see below), whose sum is σ = 106627500. Its totient is φ = 27079680.

The previous prime is 55513663. The next prime is 55513699. The reversal of 55513672 is 27631555.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 70756 = 7446^2 + 266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84297 + ... + 84952.

Almost surely, 2^55513672 is an apocalyptic number.

It is an amenable number.

55513672 is a deficient number, since it is larger than the sum of its proper divisors (51113828).

55513672 is a wasteful number, since it uses less digits than its factorization.

55513672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169296 (or 169292 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 55513672 is about 7450.7497609301. The cubic root of 55513672 is about 381.4755006721.

The spelling of 55513672 in words is "fifty-five million, five hundred thirteen thousand, six hundred seventy-two".