55611332604 has 18 divisors (see below), whose sum is σ = 140573090840. Its totient is φ = 18537110856.

The previous prime is 55611332599. The next prime is 55611332629. The reversal of 55611332604 is 40623311655.

55611332604 is a `hidden beast` number, since 5 + 5 + 6 + 1 + 13 + 32 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1544759239 = 55611332604 / (5 + 5 + 6 + 1 + 1 + 3 + 3 + 2 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772379584 + ... + 772379655.

Almost surely, 2^55611332604 is an apocalyptic number.

It is an amenable number.

55611332604 is an abundant number, since it is smaller than the sum of its proper divisors (84961758236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55611332604 is a wasteful number, since it uses less digits than its factorization.

55611332604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544759249 (or 1544759244 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 55611332604 in words is "fifty-five billion, six hundred eleven million, three hundred thirty-two thousand, six hundred four".