56476425749 has 4 divisors (see below), whose sum is σ = 56836148364. Its totient is φ = 56116703136.

The previous prime is 56476425743. The next prime is 56476425769. The reversal of 56476425749 is 94752467465.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5244366724 + 51232059025 = 72418^2 + 226345^2 .

It is a cyclic number.

It is not a de Polignac number, because 56476425749 - 2²⁴ = 56459648533 is a prime.

It is a super-2 number, since 2×56476425749² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56476425743) 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, 179861072 + ... + 179861385.

It is an arithmetic number, because the mean of its divisors is an integer number (14209037091).

Almost surely, 2^56476425749 is an apocalyptic number.

It is an amenable number.

56476425749 is a deficient number, since it is larger than the sum of its proper divisors (359722615).

56476425749 is a wasteful number, since it uses less digits than its factorization.

56476425749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359722614.

The product of its digits is 50803200, while the sum is 59.

The spelling of 56476425749 in words is "fifty-six billion, four hundred seventy-six million, four hundred twenty-five thousand, seven hundred forty-nine".