52426816894 has 4 divisors (see below), whose sum is σ = 78640225344. Its totient is φ = 26213408446.

The previous prime is 52426816877. The next prime is 52426816909. The reversal of 52426816894 is 49861862425.

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

It is a super-2 number, since 2×52426816894² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106704222 + ... + 13106704225.

It is an arithmetic number, because the mean of its divisors is an integer number (19660056336).

Almost surely, 2^52426816894 is an apocalyptic number.

52426816894 is a deficient number, since it is larger than the sum of its proper divisors (26213408450).

52426816894 is a wasteful number, since it uses less digits than its factorization.

52426816894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213408449.

The product of its digits is 6635520, while the sum is 55.

The spelling of 52426816894 in words is "fifty-two billion, four hundred twenty-six million, eight hundred sixteen thousand, eight hundred ninety-four".