56534914487 has 4 divisors (see below), whose sum is σ = 57737785056. Its totient is φ = 55332043920.

The previous prime is 56534914477. The next prime is 56534914511. The reversal of 56534914487 is 78441943565.

It is a happy number.

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 56534914487 - 2²⁰ = 56533865911 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 (56534914477) 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, 601435214 + ... + 601435307.

It is an arithmetic number, because the mean of its divisors is an integer number (14434446264).

Almost surely, 2^56534914487 is an apocalyptic number.

56534914487 is a deficient number, since it is larger than the sum of its proper divisors (1202870569).

56534914487 is a wasteful number, since it uses less digits than its factorization.

56534914487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202870568.

The product of its digits is 14515200, while the sum is 56.

The spelling of 56534914487 in words is "fifty-six billion, five hundred thirty-four million, nine hundred fourteen thousand, four hundred eighty-seven".