52521265426 has 16 divisors (see below), whose sum is σ = 90039396096. Its totient is φ = 22508378496.

The previous prime is 52521265409. The next prime is 52521265441. The reversal of 52521265426 is 62456212525.

It is a super-2 number, since 2×52521265426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803175 + ... + 866101.

It is an arithmetic number, because the mean of its divisors is an integer number (5627462256).

Almost surely, 2^52521265426 is an apocalyptic number.

52521265426 is a deficient number, since it is larger than the sum of its proper divisors (37518130670).

52521265426 is a wasteful number, since it uses less digits than its factorization.

52521265426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122553.

The product of its digits is 288000, while the sum is 40.

The spelling of 52521265426 in words is "fifty-two billion, five hundred twenty-one million, two hundred sixty-five thousand, four hundred twenty-six".