55749584 has 20 divisors (see below), whose sum is σ = 117834720. Its totient is φ = 25340640.

The previous prime is 55749583. The next prime is 55749593. The reversal of 55749584 is 48594755.

It is a happy number.

55749584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55749584² = 6216032232346112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55749581) 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 3 ways as a sum of consecutive naturals, for example, 158204 + ... + 158555.

It is an arithmetic number, because the mean of its divisors is an integer number (5891736).

Almost surely, 2^55749584 is an apocalyptic number.

It is an amenable number.

55749584 is an abundant number, since it is smaller than the sum of its proper divisors (62085136).

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

55749584 is a wasteful number, since it uses less digits than its factorization.

55749584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316778 (or 316772 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 55749584 is about 7466.5644040616. The cubic root of 55749584 is about 382.0151122919.

The spelling of 55749584 in words is "fifty-five million, seven hundred forty-nine thousand, five hundred eighty-four".