56825638355 has 4 divisors (see below), whose sum is σ = 68190766032. Its totient is φ = 45460510680.

The previous prime is 56825638333. The next prime is 56825638357. The reversal of 56825638355 is 55383652865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55383652865 = 5 ⋅11076730573.

It is not a de Polignac number, because 56825638355 - 2⁶ = 56825638291 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 56825638355.

It is not an unprimeable number, because it can be changed into a prime (56825638357) 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, 5682563831 + ... + 5682563840.

It is an arithmetic number, because the mean of its divisors is an integer number (17047691508).

Almost surely, 2^56825638355 is an apocalyptic number.

56825638355 is a deficient number, since it is larger than the sum of its proper divisors (11365127677).

56825638355 is a wasteful number, since it uses less digits than its factorization.

56825638355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365127676.

The product of its digits is 25920000, while the sum is 56.

The spelling of 56825638355 in words is "fifty-six billion, eight hundred twenty-five million, six hundred thirty-eight thousand, three hundred fifty-five".