56542953263 has 4 divisors (see below), whose sum is σ = 56548044168. Its totient is φ = 56537862360.

The previous prime is 56542953193. The next prime is 56542953287. The reversal of 56542953263 is 36235924565.

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

It is a cyclic number.

It is not a de Polignac number, because 56542953263 - 2⁸ = 56542953007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56542953293) 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, 2528756 + ... + 2551017.

It is an arithmetic number, because the mean of its divisors is an integer number (14137011042).

Almost surely, 2^56542953263 is an apocalyptic number.

56542953263 is a deficient number, since it is larger than the sum of its proper divisors (5090905).

56542953263 is a wasteful number, since it uses less digits than its factorization.

56542953263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090904.

The product of its digits is 5832000, while the sum is 50.

The spelling of 56542953263 in words is "fifty-six billion, five hundred forty-two million, nine hundred fifty-three thousand, two hundred sixty-three".