56670053 has 4 divisors (see below), whose sum is σ = 61821888. Its totient is φ = 51518220.

The previous prime is 56670049. The next prime is 56670079. The reversal of 56670053 is 35007665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56670053 - 2² = 56670049 is a prime.

It is a super-2 number, since 2×56670053² = 6422989814045618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56670013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575901 + ... + 2575922.

It is an arithmetic number, because the mean of its divisors is an integer number (15455472).

Almost surely, 2^56670053 is an apocalyptic number.

It is an amenable number.

56670053 is a deficient number, since it is larger than the sum of its proper divisors (5151835).

56670053 is a wasteful number, since it uses less digits than its factorization.

56670053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151834.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 56670053 is about 7527.9514477712. The cubic root of 56670053 is about 384.1061017751.

The spelling of 56670053 in words is "fifty-six million, six hundred seventy thousand, fifty-three".