53526520725 has 24 divisors (see below), whose sum is σ = 88520114112. Its totient is φ = 28540080000.

The previous prime is 53526520717. The next prime is 53526520727. The reversal of 53526520725 is 52702562535.

It is not a de Polignac number, because 53526520725 - 2³ = 53526520717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53526520727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205225 + ... + 386225.

It is an arithmetic number, because the mean of its divisors is an integer number (3688338088).

Almost surely, 2^53526520725 is an apocalyptic number.

It is an amenable number.

53526520725 is a deficient number, since it is larger than the sum of its proper divisors (34993593387).

53526520725 is a wasteful number, since it uses less digits than its factorization.

53526520725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184957 (or 184952 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 53526520725 in words is "fifty-three billion, five hundred twenty-six million, five hundred twenty thousand, seven hundred twenty-five".