55744885 has 16 divisors (see below), whose sum is σ = 76599936. Its totient is φ = 38150208.

The previous prime is 55744877. The next prime is 55744901. The reversal of 55744885 is 58844755.

It is a cyclic number.

It is not a de Polignac number, because 55744885 - 2³ = 55744877 is a prime.

It is a congruent number.

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, 21267 + ... + 23743.

It is an arithmetic number, because the mean of its divisors is an integer number (4787496).

Almost surely, 2^55744885 is an apocalyptic number.

It is an amenable number.

55744885 is a deficient number, since it is larger than the sum of its proper divisors (20855051).

55744885 is a wasteful number, since it uses less digits than its factorization.

55744885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its digits is 896000, while the sum is 46.

The square root of 55744885 is about 7466.2497279424. The cubic root of 55744885 is about 382.0043789416.

The spelling of 55744885 in words is "fifty-five million, seven hundred forty-four thousand, eight hundred eighty-five".