55641604 has 24 divisors (see below), whose sum is σ = 101082240. Its totient is φ = 26767776.

The previous prime is 55641583. The next prime is 55641631. The reversal of 55641604 is 40614655.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41919 + ... + 43225.

It is an arithmetic number, because the mean of its divisors is an integer number (4211760).

Almost surely, 2^55641604 is an apocalyptic number.

It is an amenable number.

55641604 is a deficient number, since it is larger than the sum of its proper divisors (45440636).

55641604 is a wasteful number, since it uses less digits than its factorization.

55641604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55641604 is about 7459.3299967222. The cubic root of 55641604 is about 381.7683143215.

The spelling of 55641604 in words is "fifty-five million, six hundred forty-one thousand, six hundred four".