56354740739 has 12 divisors (see below), whose sum is σ = 63261596832. Its totient is φ = 50141543760.

The previous prime is 56354740697. The next prime is 56354740763. The reversal of 56354740739 is 93704745365.

It is a de Polignac number, because none of the positive numbers 2^k-56354740739 is a prime.

It is a super-2 number, since 2×56354740739² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56354740789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4949012 + ... + 4960385.

It is an arithmetic number, because the mean of its divisors is an integer number (5271799736).

Almost surely, 2^56354740739 is an apocalyptic number.

56354740739 is a deficient number, since it is larger than the sum of its proper divisors (6906856093).

56354740739 is a wasteful number, since it uses less digits than its factorization.

56354740739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909466 (or 9909455 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 56354740739 in words is "fifty-six billion, three hundred fifty-four million, seven hundred forty thousand, seven hundred thirty-nine".