56575516847 has 16 divisors (see below), whose sum is σ = 58762217472. Its totient is φ = 54437356800.

The previous prime is 56575516819. The next prime is 56575516931. The reversal of 56575516847 is 74861557565.

56575516847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56575516847 - 2⁶ = 56575516783 is a prime.

It is a super-3 number, since 3×56575516847³ (a number of 33 digits) contains 333 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 (56575510847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647318 + ... + 729500.

It is an arithmetic number, because the mean of its divisors is an integer number (3672638592).

Almost surely, 2^56575516847 is an apocalyptic number.

56575516847 is a deficient number, since it is larger than the sum of its proper divisors (2186700625).

56575516847 is a wasteful number, since it uses less digits than its factorization.

56575516847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82478.

The product of its digits is 35280000, while the sum is 59.

The spelling of 56575516847 in words is "fifty-six billion, five hundred seventy-five million, five hundred sixteen thousand, eight hundred forty-seven".