56377357197 has 16 divisors (see below), whose sum is σ = 85911742080. Its totient is φ = 32214362112.

The previous prime is 56377357181. The next prime is 56377357199. The reversal of 56377357197 is 79175377365.

It is not a de Polignac number, because 56377357197 - 2⁴ = 56377357181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56377357197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56377357199) 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, 851629 + ... + 915437.

It is an arithmetic number, because the mean of its divisors is an integer number (5369483880).

Almost surely, 2^56377357197 is an apocalyptic number.

It is an amenable number.

56377357197 is a deficient number, since it is larger than the sum of its proper divisors (29534384883).

56377357197 is a wasteful number, since it uses less digits than its factorization.

56377357197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105892.

The product of its digits is 29172150, while the sum is 60.

The spelling of 56377357197 in words is "fifty-six billion, three hundred seventy-seven million, three hundred fifty-seven thousand, one hundred ninety-seven".