56645313153 has 16 divisors (see below), whose sum is σ = 88731120576. Its totient is φ = 31689685440.

The previous prime is 56645313139. The next prime is 56645313167. The reversal of 56645313153 is 35131354665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56645313139) and next prime (56645313167).

It is not a de Polignac number, because 56645313153 - 2⁹ = 56645312641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56645313253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66019750 + ... + 66020607.

It is an arithmetic number, because the mean of its divisors is an integer number (5545695036).

Almost surely, 2^56645313153 is an apocalyptic number.

It is an amenable number.

56645313153 is a deficient number, since it is larger than the sum of its proper divisors (32085807423).

56645313153 is a wasteful number, since it uses less digits than its factorization.

56645313153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132040384.

The product of its digits is 486000, while the sum is 42.

The spelling of 56645313153 in words is "fifty-six billion, six hundred forty-five million, three hundred thirteen thousand, one hundred fifty-three".