54013986 has 32 divisors (see below), whose sum is σ = 129265920. Its totient is φ = 16619472.

The previous prime is 54013957. The next prime is 54014003. The reversal of 54013986 is 68931045.

54013986 is a `hidden beast` number, since 540 + 1 + 39 + 86 = 666.

54013986 is a modest number, since divided by 13986 gives 54 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54013986.

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, 37770 + ... + 39173.

It is an arithmetic number, because the mean of its divisors is an integer number (4039560).

Almost surely, 2^54013986 is an apocalyptic number.

54013986 is an abundant number, since it is smaller than the sum of its proper divisors (75251934).

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

54013986 is a wasteful number, since it uses less digits than its factorization.

54013986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76967 (or 76961 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 54013986 is about 7349.4207935048. The cubic root of 54013986 is about 378.0089441068.

It can be divided in two parts, 540139 and 86, that added together give a square (540225 = 735²).

The spelling of 54013986 in words is "fifty-four million, thirteen thousand, nine hundred eighty-six".