56124439513 has 4 divisors (see below), whose sum is σ = 56669337088. Its totient is φ = 55579541940.

The previous prime is 56124439477. The next prime is 56124439571. The reversal of 56124439513 is 31593442165.

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 a cyclic number.

It is not a de Polignac number, because 56124439513 - 2¹⁷ = 56124308441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56124439513.

It is not an unprimeable number, because it can be changed into a prime (56124439573) 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, 272448633 + ... + 272448838.

It is an arithmetic number, because the mean of its divisors is an integer number (14167334272).

Almost surely, 2^56124439513 is an apocalyptic number.

It is an amenable number.

56124439513 is a deficient number, since it is larger than the sum of its proper divisors (544897575).

56124439513 is a wasteful number, since it uses less digits than its factorization.

56124439513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544897574.

The product of its digits is 388800, while the sum is 43.

The spelling of 56124439513 in words is "fifty-six billion, one hundred twenty-four million, four hundred thirty-nine thousand, five hundred thirteen".