55687304 has 32 divisors (see below), whose sum is σ = 106191000. Its totient is φ = 27374592.

The previous prime is 55687297. The next prime is 55687321. The reversal of 55687304 is 40378655.

It can be written as a sum of positive squares in 4 ways, for example, as 31382404 + 24304900 = 5602^2 + 4930^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206882 + ... + 207150.

Almost surely, 2^55687304 is an apocalyptic number.

It is an amenable number.

55687304 is a deficient number, since it is larger than the sum of its proper divisors (50503696).

55687304 is a wasteful number, since it uses less digits than its factorization.

55687304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 55687304 is about 7462.3926457940. The cubic root of 55687304 is about 381.8728047050.

The spelling of 55687304 in words is "fifty-five million, six hundred eighty-seven thousand, three hundred four".