56556475619 has 16 divisors (see below), whose sum is σ = 68542987968. Its totient is φ = 45555459072.

The previous prime is 56556475607. The next prime is 56556475621. The reversal of 56556475619 is 91657465565.

56556475619 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 56556475619 - 2⁴ = 56556475603 is a prime.

It is a super-2 number, since 2×56556475619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56556475699) 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, 286202 + ... + 441615.

It is an arithmetic number, because the mean of its divisors is an integer number (4283936748).

Almost surely, 2^56556475619 is an apocalyptic number.

56556475619 is a deficient number, since it is larger than the sum of its proper divisors (11986512349).

56556475619 is a wasteful number, since it uses less digits than its factorization.

56556475619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728494.

The product of its digits is 34020000, while the sum is 59.

The spelling of 56556475619 in words is "fifty-six billion, five hundred fifty-six million, four hundred seventy-five thousand, six hundred nineteen".