55488712 has 16 divisors (see below), whose sum is σ = 104645340. Its totient is φ = 27583296.

The previous prime is 55488707. The next prime is 55488773. The reversal of 55488712 is 21788455.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 45796 = 7446^2 + 214^2 .

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, 18663 + ... + 21430.

Almost surely, 2^55488712 is an apocalyptic number.

It is an amenable number.

55488712 is a deficient number, since it is larger than the sum of its proper divisors (49156628).

55488712 is a wasteful number, since it uses less digits than its factorization.

55488712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40272 (or 40268 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 55488712 is about 7449.0745733950. The cubic root of 55488712 is about 381.4183192274.

The spelling of 55488712 in words is "fifty-five million, four hundred eighty-eight thousand, seven hundred twelve".