55048986 has 24 divisors (see below), whose sum is σ = 119512224. Its totient is φ = 18312840.

The previous prime is 55048957. The next prime is 55048991. The reversal of 55048986 is 68984055.

55048986 is a `hidden beast` number, since 550 + 4 + 8 + 98 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7051 + ... + 12641.

It is an arithmetic number, because the mean of its divisors is an integer number (4979676).

Almost surely, 2^55048986 is an apocalyptic number.

55048986 is an abundant number, since it is smaller than the sum of its proper divisors (64463238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55048986 is a wasteful number, since it uses less digits than its factorization.

55048986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55048986 is about 7419.5003874924. The cubic root of 55048986 is about 380.4081164698.

The spelling of 55048986 in words is "fifty-five million, forty-eight thousand, nine hundred eighty-six".