52406436525 has 24 divisors (see below), whose sum is σ = 86740531584. Its totient is φ = 27919382400.

The previous prime is 52406436451. The next prime is 52406436547. The reversal of 52406436525 is 52563460425.

52406436525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52406436525 - 2⁹ = 52406436013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315184 + ... + 451833.

It is an arithmetic number, because the mean of its divisors is an integer number (3614188816).

Almost surely, 2^52406436525 is an apocalyptic number.

It is an amenable number.

52406436525 is a deficient number, since it is larger than the sum of its proper divisors (34334095059).

52406436525 is a wasteful number, since it uses less digits than its factorization.

52406436525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767941 (or 767936 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 52406436525 in words is "fifty-two billion, four hundred six million, four hundred thirty-six thousand, five hundred twenty-five".