55544986 has 8 divisors (see below), whose sum is σ = 95220000. Its totient is φ = 23804988.

The previous prime is 55544971. The next prime is 55545031. The reversal of 55544986 is 68944555.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1983736 + ... + 1983763.

It is an arithmetic number, because the mean of its divisors is an integer number (11902500).

Almost surely, 2^55544986 is an apocalyptic number.

55544986 is a deficient number, since it is larger than the sum of its proper divisors (39675014).

55544986 is a wasteful number, since it uses less digits than its factorization.

55544986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967508.

The product of its digits is 864000, while the sum is 46.

The square root of 55544986 is about 7452.8508639312. The cubic root of 55544986 is about 381.5472144081.

The spelling of 55544986 in words is "fifty-five million, five hundred forty-four thousand, nine hundred eighty-six".