56136396527 has 4 divisors (see below), whose sum is σ = 56383693656. Its totient is φ = 55889099400.

The previous prime is 56136396517. The next prime is 56136396557. The reversal of 56136396527 is 72569363165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56136396527 - 2⁸ = 56136396271 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 (56136396517) 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, 123648224 + ... + 123648677.

It is an arithmetic number, because the mean of its divisors is an integer number (14095923414).

Almost surely, 2^56136396527 is an apocalyptic number.

56136396527 is a deficient number, since it is larger than the sum of its proper divisors (247297129).

56136396527 is a wasteful number, since it uses less digits than its factorization.

56136396527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247297128.

The product of its digits is 6123600, while the sum is 53.

The spelling of 56136396527 in words is "fifty-six billion, one hundred thirty-six million, three hundred ninety-six thousand, five hundred twenty-seven".