55168624 has 40 divisors (see below), whose sum is σ = 123393888. Its totient is φ = 23404800.

The previous prime is 55168579. The next prime is 55168627. The reversal of 55168624 is 42686155.

55168624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8874 + ... + 13750.

Almost surely, 2^55168624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55168624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61696944).

55168624 is an abundant number, since it is smaller than the sum of its proper divisors (68225264).

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

55168624 is a wasteful number, since it uses less digits than its factorization.

55168624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993 (or 4987 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 55168624 is about 7427.5584144455. The cubic root of 55168624 is about 380.6834974798.

The spelling of 55168624 in words is "fifty-five million, one hundred sixty-eight thousand, six hundred twenty-four".