55617364 has 48 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 24312960.

The previous prime is 55617347. The next prime is 55617371. The reversal of 55617364 is 46371655.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206622 + ... + 206890.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^55617364 is an apocalyptic number.

It is an amenable number.

55617364 is a deficient number, since it is larger than the sum of its proper divisors (54698156).

55617364 is a wasteful number, since it uses less digits than its factorization.

55617364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 55617364 is about 7457.7050089153. The cubic root of 55617364 is about 381.7128677526.

The spelling of 55617364 in words is "fifty-five million, six hundred seventeen thousand, three hundred sixty-four".