55737572 has 12 divisors (see below), whose sum is σ = 106408176. Its totient is φ = 25335240.

The previous prime is 55737553. The next prime is 55737587. The reversal of 55737572 is 27573755.

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, 633338 + ... + 633425.

It is an arithmetic number, because the mean of its divisors is an integer number (8867348).

Almost surely, 2^55737572 is an apocalyptic number.

It is an amenable number.

55737572 is a deficient number, since it is larger than the sum of its proper divisors (50670604).

55737572 is a wasteful number, since it uses less digits than its factorization.

55737572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266778 (or 1266776 counting only the distinct ones).

The product of its digits is 257250, while the sum is 41.

The square root of 55737572 is about 7465.7599747112. The cubic root of 55737572 is about 381.9876735512.

The spelling of 55737572 in words is "fifty-five million, seven hundred thirty-seven thousand, five hundred seventy-two".