55086336 has 54 divisors (see below), whose sum is σ = 158834130. Its totient is φ = 18361344.

The previous prime is 55086331. The next prime is 55086347. The reversal of 55086336 is 63368055.

It can be written as a sum of positive squares in only one way, i.e., 34292736 + 20793600 = 5856^2 + 4560^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55086336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55086331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9651 + ... + 14258.

Almost surely, 2^55086336 is an apocalyptic number.

It is an amenable number.

55086336 is an abundant number, since it is smaller than the sum of its proper divisors (103747794).

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

55086336 is a wasteful number, since it uses less digits than its factorization.

55086336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23931 (or 23914 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55086336 is about 7422.0169765368. The cubic root of 55086336 is about 380.4941309575.

The spelling of 55086336 in words is "fifty-five million, eighty-six thousand, three hundred thirty-six".