55670364 has 18 divisors (see below), whose sum is σ = 140722400. Its totient is φ = 18556776.

The previous prime is 55670353. The next prime is 55670371. The reversal of 55670364 is 46307655.

55670364 is a `hidden beast` number, since 556 + 70 + 36 + 4 = 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: 1546399 = 55670364 / (5 + 5 + 6 + 7 + 0 + 3 + 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, 773164 + ... + 773235.

Almost surely, 2^55670364 is an apocalyptic number.

It is an amenable number.

55670364 is an abundant number, since it is smaller than the sum of its proper divisors (85052036).

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

55670364 is a wasteful number, since it uses less digits than its factorization.

55670364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546409 (or 1546404 counting only the distinct ones).

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

The square root of 55670364 is about 7461.2575347591. The cubic root of 55670364 is about 381.8340790536.

The spelling of 55670364 in words is "fifty-five million, six hundred seventy thousand, three hundred sixty-four".