56162428197 has 4 divisors (see below), whose sum is σ = 74883237600. Its totient is φ = 37441618796.

The previous prime is 56162428181. The next prime is 56162428213. The reversal of 56162428197 is 79182426165.

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 an interprime number because it is at equal distance from previous prime (56162428181) and next prime (56162428213).

It is a cyclic number.

It is not a de Polignac number, because 56162428197 - 2⁴ = 56162428181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56162418197) 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, 9360404697 + ... + 9360404702.

It is an arithmetic number, because the mean of its divisors is an integer number (18720809400).

Almost surely, 2^56162428197 is an apocalyptic number.

It is an amenable number.

56162428197 is a deficient number, since it is larger than the sum of its proper divisors (18720809403).

56162428197 is a wasteful number, since it uses less digits than its factorization.

56162428197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18720809402.

The product of its digits is 1451520, while the sum is 51.

The spelling of 56162428197 in words is "fifty-six billion, one hundred sixty-two million, four hundred twenty-eight thousand, one hundred ninety-seven".