53563787975 has 12 divisors (see below), whose sum is σ = 66519600360. Its totient is φ = 42786189600.

The previous prime is 53563787947. The next prime is 53563787989. The reversal of 53563787975 is 57978736535.

53563787975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53563787975 - 2²⁶ = 53496679111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1604165 + ... + 1637214.

It is an arithmetic number, because the mean of its divisors is an integer number (5543300030).

Almost surely, 2^53563787975 is an apocalyptic number.

53563787975 is a deficient number, since it is larger than the sum of its proper divisors (12955812385).

53563787975 is a wasteful number, since it uses less digits than its factorization.

53563787975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242050 (or 3242045 counting only the distinct ones).

The product of its digits is 166698000, while the sum is 65.

The spelling of 53563787975 in words is "fifty-three billion, five hundred sixty-three million, seven hundred eighty-seven thousand, nine hundred seventy-five".