55617356 has 12 divisors (see below), whose sum is σ = 99401568. Its totient is φ = 27216912.

The previous prime is 55617347. The next prime is 55617371. The reversal of 55617356 is 65371655.

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, 147731 + ... + 148106.

It is an arithmetic number, because the mean of its divisors is an integer number (8283464).

Almost surely, 2^55617356 is an apocalyptic number.

It is an amenable number.

55617356 is a deficient number, since it is larger than the sum of its proper divisors (43784212).

55617356 is a wasteful number, since it uses less digits than its factorization.

55617356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295888 (or 295886 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 55617356 is about 7457.7044725572. The cubic root of 55617356 is about 381.7128494507.

The spelling of 55617356 in words is "fifty-five million, six hundred seventeen thousand, three hundred fifty-six".