55761604 has 12 divisors (see below), whose sum is σ = 97635328. Its totient is φ = 27865800.

The previous prime is 55761557. The next prime is 55761623. The reversal of 55761604 is 40616755.

It is a happy number.

55761604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55761604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11509 + ... + 15619.

Almost surely, 2^55761604 is an apocalyptic number.

It is an amenable number.

55761604 is a deficient number, since it is larger than the sum of its proper divisors (41873724).

55761604 is a wasteful number, since it uses less digits than its factorization.

55761604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7504 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55761604 is about 7467.3692824180. The cubic root of 55761604 is about 382.0425653619.

It can be divided in two parts, 55761 and 604, that added together give a palindrome (56365).

The spelling of 55761604 in words is "fifty-five million, seven hundred sixty-one thousand, six hundred four".