52794181597638 has 64 divisors (see below), whose sum is σ = 114609877224192. Its totient is φ = 16116373284480.

The previous prime is 52794181597627. The next prime is 52794181597649. The reversal of 52794181597638 is 83679518149725.

It is an interprime number because it is at equal distance from previous prime (52794181597627) and next prime (52794181597649).

It is a super-2 number, since 2×52794181597638² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52794181597638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157545 + ... + 10276827.

It is an arithmetic number, because the mean of its divisors is an integer number (1790779331628).

Almost surely, 2^{52794181597638} is an apocalyptic number.

52794181597638 is an abundant number, since it is smaller than the sum of its proper divisors (61815695626554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52794181597638 is a wasteful number, since it uses less digits than its factorization.

52794181597638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119829.

The product of its digits is 914457600, while the sum is 75.

The spelling of 52794181597638 in words is "fifty-two trillion, seven hundred ninety-four billion, one hundred eighty-one million, five hundred ninety-seven thousand, six hundred thirty-eight".