55077604 has 6 divisors (see below), whose sum is σ = 96385814. Its totient is φ = 27538800.

The previous prime is 55077601. The next prime is 55077613. The reversal of 55077604 is 40677055.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 17623204 = 6120^2 + 4198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55077604.

It is not an unprimeable number, because it can be changed into a prime (55077601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884697 + ... + 6884704.

Almost surely, 2^55077604 is an apocalyptic number.

It is an amenable number.

55077604 is a deficient number, since it is larger than the sum of its proper divisors (41308210).

55077604 is a wasteful number, since it uses less digits than its factorization.

55077604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13769405 (or 13769403 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 55077604 is about 7421.4287034236. The cubic root of 55077604 is about 380.4740252437.

The spelling of 55077604 in words is "fifty-five million, seventy-seven thousand, six hundred four".