52137823535 has 24 divisors (see below), whose sum is σ = 73311434640. Its totient is φ = 35490666624.

The previous prime is 52137823531. The next prime is 52137823541. The reversal of 52137823535 is 53532873125.

It is not a de Polignac number, because 52137823535 - 2² = 52137823531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52137823531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743105 + ... + 810234.

It is an arithmetic number, because the mean of its divisors is an integer number (3054643110).

Almost surely, 2^52137823535 is an apocalyptic number.

52137823535 is a deficient number, since it is larger than the sum of its proper divisors (21173611105).

52137823535 is a wasteful number, since it uses less digits than its factorization.

52137823535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553495 (or 1553488 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The spelling of 52137823535 in words is "fifty-two billion, one hundred thirty-seven million, eight hundred twenty-three thousand, five hundred thirty-five".