52257232478 has 16 divisors (see below), whose sum is σ = 89229741696. Its totient is φ = 22720535640.

The previous prime is 52257232451. The next prime is 52257232481. The reversal of 52257232478 is 87423275225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51637076 + ... + 51638087.

It is an arithmetic number, because the mean of its divisors is an integer number (5576858856).

Almost surely, 2^52257232478 is an apocalyptic number.

52257232478 is a deficient number, since it is larger than the sum of its proper divisors (36972509218).

52257232478 is a wasteful number, since it uses less digits than its factorization.

52257232478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103275199.

The product of its digits is 1881600, while the sum is 47.

The spelling of 52257232478 in words is "fifty-two billion, two hundred fifty-seven million, two hundred thirty-two thousand, four hundred seventy-eight".