55744372 has 24 divisors (see below), whose sum is σ = 99392832. Its totient is φ = 27350400.

The previous prime is 55744363. The next prime is 55744373. The reversal of 55744372 is 27344755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55744373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93708 + ... + 94300.

It is an arithmetic number, because the mean of its divisors is an integer number (4141368).

Almost surely, 2^55744372 is an apocalyptic number.

It is an amenable number.

55744372 is a deficient number, since it is larger than the sum of its proper divisors (43648460).

55744372 is a wasteful number, since it uses less digits than its factorization.

55744372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 55744372 is about 7466.2153732664. The cubic root of 55744372 is about 382.0032071220.

The spelling of 55744372 in words is "fifty-five million, seven hundred forty-four thousand, three hundred seventy-two".