55749688 has 16 divisors (see below), whose sum is σ = 104932080. Its totient is φ = 27767808.

The previous prime is 55749679. The next prime is 55749719. The reversal of 55749688 is 88694755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11145 + ... + 15352.

It is an arithmetic number, because the mean of its divisors is an integer number (6558255).

Almost surely, 2^55749688 is an apocalyptic number.

It is an amenable number.

55749688 is a deficient number, since it is larger than the sum of its proper divisors (49182392).

55749688 is a wasteful number, since it uses less digits than its factorization.

55749688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26766 (or 26762 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The square root of 55749688 is about 7466.5713684395. The cubic root of 55749688 is about 382.0153498396.

The spelling of 55749688 in words is "fifty-five million, seven hundred forty-nine thousand, six hundred eighty-eight".