55032772 has 12 divisors (see below), whose sum is σ = 96473916. Its totient is φ = 27468800.

The previous prime is 55032737. The next prime is 55032773. The reversal of 55032772 is 27723055.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 11128896 = 6626^2 + 3336^2 .

It is not an unprimeable number, because it can be changed into a prime (55032773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9229 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (8039493).

Almost surely, 2^55032772 is an apocalyptic number.

It is an amenable number.

55032772 is a deficient number, since it is larger than the sum of its proper divisors (41441144).

55032772 is a wasteful number, since it uses less digits than its factorization.

55032772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798 (or 23796 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55032772 is about 7418.4076458496. The cubic root of 55032772 is about 380.3707646291.

The spelling of 55032772 in words is "fifty-five million, thirty-two thousand, seven hundred seventy-two".