55749472 has 12 divisors (see below), whose sum is σ = 109756836. Its totient is φ = 27874720.

The previous prime is 55749451. The next prime is 55749479. The reversal of 55749472 is 27494755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55749479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871054 + ... + 871117.

It is an arithmetic number, because the mean of its divisors is an integer number (9146403).

Almost surely, 2^55749472 is an apocalyptic number.

It is an amenable number.

55749472 is a deficient number, since it is larger than the sum of its proper divisors (54007364).

55749472 is a wasteful number, since it uses less digits than its factorization.

55749472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742181 (or 1742173 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 55749472 is about 7466.5569039551. The cubic root of 55749472 is about 382.0148564711.

The spelling of 55749472 in words is "fifty-five million, seven hundred forty-nine thousand, four hundred seventy-two".