52357582278 has 32 divisors (see below), whose sum is σ = 116442748800. Its totient is φ = 17438642568.

The previous prime is 52357582273. The next prime is 52357582289. The reversal of 52357582278 is 87228575325.

52357582278 is a `hidden beast` number, since 5 + 2 + 3 + 57 + 582 + 2 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52357582271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317076 + ... + 453047.

It is an arithmetic number, because the mean of its divisors is an integer number (3638835900).

Almost surely, 2^52357582278 is an apocalyptic number.

52357582278 is an abundant number, since it is smaller than the sum of its proper divisors (64085166522).

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

52357582278 is a wasteful number, since it uses less digits than its factorization.

52357582278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771393 (or 771387 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 52357582278 in words is "fifty-two billion, three hundred fifty-seven million, five hundred eighty-two thousand, two hundred seventy-eight".