56145513554601 has 4 divisors (see below), whose sum is σ = 74860684739472. Its totient is φ = 37430342369732.

The previous prime is 56145513554569. The next prime is 56145513554651. The reversal of 56145513554601 is 10645531554165.

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 56145513554601 - 2⁵ = 56145513554569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56145513554651) 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, 9357585592431 + ... + 9357585592436.

It is an arithmetic number, because the mean of its divisors is an integer number (18715171184868).

Almost surely, 2^{56145513554601} is an apocalyptic number.

It is an amenable number.

56145513554601 is a deficient number, since it is larger than the sum of its proper divisors (18715171184871).

56145513554601 is a wasteful number, since it uses less digits than its factorization.

56145513554601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18715171184870.

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 56145513554601 in words is "fifty-six trillion, one hundred forty-five billion, five hundred thirteen million, five hundred fifty-four thousand, six hundred one".