56657242153 has 4 divisors (see below), whose sum is σ = 56665626448. Its totient is φ = 56648857860.

The previous prime is 56657242151. The next prime is 56657242183. The reversal of 56657242153 is 35124275665.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35124275665 = 5 ⋅7024855133.

It is a cyclic number.

It is not a de Polignac number, because 56657242153 - 2¹ = 56657242151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56657242151) 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, 4182003 + ... + 4195528.

It is an arithmetic number, because the mean of its divisors is an integer number (14166406612).

Almost surely, 2^56657242153 is an apocalyptic number.

It is an amenable number.

56657242153 is a deficient number, since it is larger than the sum of its proper divisors (8384295).

56657242153 is an equidigital number, since it uses as much as digits as its factorization.

56657242153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384294.

The product of its digits is 1512000, while the sum is 46.

The spelling of 56657242153 in words is "fifty-six billion, six hundred fifty-seven million, two hundred forty-two thousand, one hundred fifty-three".