56142662477 has 4 divisors (see below), whose sum is σ = 61246540896. Its totient is φ = 51038784060.

The previous prime is 56142662453. The next prime is 56142662497. The reversal of 56142662477 is 77426624165.

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 not a de Polignac number, because 56142662477 - 2⁶ = 56142662413 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 (56142662417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551939193 + ... + 2551939214.

It is an arithmetic number, because the mean of its divisors is an integer number (15311635224).

Almost surely, 2^56142662477 is an apocalyptic number.

It is an amenable number.

56142662477 is a deficient number, since it is larger than the sum of its proper divisors (5103878419).

56142662477 is a wasteful number, since it uses less digits than its factorization.

56142662477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103878418.

The product of its digits is 3386880, while the sum is 50.

The spelling of 56142662477 in words is "fifty-six billion, one hundred forty-two million, six hundred sixty-two thousand, four hundred seventy-seven".