55760072 has 32 divisors (see below), whose sum is σ = 108710400. Its totient is φ = 26784000.

The previous prime is 55760071. The next prime is 55760087. The reversal of 55760072 is 27006755.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55760071) 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, 36704 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (3397200).

Almost surely, 2^55760072 is an apocalyptic number.

It is an amenable number.

55760072 is a deficient number, since it is larger than the sum of its proper divisors (52950328).

55760072 is a wasteful number, since it uses less digits than its factorization.

55760072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 55760072 is about 7467.2667020805. The cubic root of 55760072 is about 382.0390665710.

The spelling of 55760072 in words is "fifty-five million, seven hundred sixty thousand, seventy-two".