56346477439 has 24 divisors (see below), whose sum is σ = 65776293648. Its totient is φ = 48127564800.

The previous prime is 56346477431. The next prime is 56346477469. The reversal of 56346477439 is 93477464365.

It is not a de Polignac number, because 56346477439 - 2³ = 56346477431 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56346477431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19817952 + ... + 19820794.

It is an arithmetic number, because the mean of its divisors is an integer number (2740678902).

Almost surely, 2^56346477439 is an apocalyptic number.

56346477439 is a deficient number, since it is larger than the sum of its proper divisors (9429816209).

56346477439 is a wasteful number, since it uses less digits than its factorization.

56346477439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4128 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 58.

The spelling of 56346477439 in words is "fifty-six billion, three hundred forty-six million, four hundred seventy-seven thousand, four hundred thirty-nine".