56501353501 has 4 divisors (see below), whose sum is σ = 58957934112. Its totient is φ = 54044772892.

The previous prime is 56501353483. The next prime is 56501353537. The reversal of 56501353501 is 10535310565.

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 56501353501 - 2⁹ = 56501352989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501353591) 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, 1228290271 + ... + 1228290316.

It is an arithmetic number, because the mean of its divisors is an integer number (14739483528).

Almost surely, 2^56501353501 is an apocalyptic number.

It is an amenable number.

56501353501 is a deficient number, since it is larger than the sum of its proper divisors (2456580611).

56501353501 is a wasteful number, since it uses less digits than its factorization.

56501353501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456580610.

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 56501353501 in words is "fifty-six billion, five hundred one million, three hundred fifty-three thousand, five hundred one".