52578807434 has 4 divisors (see below), whose sum is σ = 78868211154. Its totient is φ = 26289403716.

The previous prime is 52578807431. The next prime is 52578807451. The reversal of 52578807434 is 43470887525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46757575225 + 5821232209 = 216235^2 + 76297^2 .

It is not an unprimeable number, because it can be changed into a prime (52578807431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144701857 + ... + 13144701860.

Almost surely, 2^52578807434 is an apocalyptic number.

52578807434 is a deficient number, since it is larger than the sum of its proper divisors (26289403720).

52578807434 is a wasteful number, since it uses less digits than its factorization.

52578807434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26289403719.

The product of its (nonzero) digits is 7526400, while the sum is 53.

The spelling of 52578807434 in words is "fifty-two billion, five hundred seventy-eight million, eight hundred seven thousand, four hundred thirty-four".