551252633426 has 32 divisors (see below), whose sum is σ = 903180051648. Its totient is φ = 250255632640.

The previous prime is 551252633389. The next prime is 551252633501. The reversal of 551252633426 is 624336252155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75438065 + ... + 75445371.

It is an arithmetic number, because the mean of its divisors is an integer number (28224376614).

Almost surely, 2^551252633426 is an apocalyptic number.

551252633426 is a deficient number, since it is larger than the sum of its proper divisors (351927418222).

551252633426 is a wasteful number, since it uses less digits than its factorization.

551252633426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146.

The product of its digits is 1296000, while the sum is 44.

The spelling of 551252633426 in words is "five hundred fifty-one billion, two hundred fifty-two million, six hundred thirty-three thousand, four hundred twenty-six".