55036764 has 18 divisors (see below), whose sum is σ = 139120800. Its totient is φ = 18345576.

The previous prime is 55036757. The next prime is 55036771. The reversal of 55036764 is 46763055.

55036764 is a `hidden beast` number, since 550 + 36 + 76 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55036757) and next prime (55036771).

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: 1528799 = 55036764 / (5 + 5 + 0 + 3 + 6 + 7 + 6 + 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, 764364 + ... + 764435.

Almost surely, 2^55036764 is an apocalyptic number.

It is an amenable number.

55036764 is an abundant number, since it is smaller than the sum of its proper divisors (84084036).

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

55036764 is a wasteful number, since it uses less digits than its factorization.

55036764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528809 (or 1528804 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 55036764 is about 7418.6767014071. The cubic root of 55036764 is about 380.3799615938.

The spelling of 55036764 in words is "fifty-five million, thirty-six thousand, seven hundred sixty-four".