52525720526731 has 16 divisors (see below), whose sum is σ = 52702506280224. Its totient is φ = 52349174152704.

The previous prime is 52525720526707. The next prime is 52525720526753. The reversal of 52525720526731 is 13762502752525.

It is a cyclic number.

It is not a de Polignac number, because 52525720526731 - 2³³ = 52517130592139 is a prime.

It is a super-2 number, since 2×52525720526731² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52525720526771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4826395416 + ... + 4826406298.

It is an arithmetic number, because the mean of its divisors is an integer number (3293906642514).

Almost surely, 2^{52525720526731} is an apocalyptic number.

52525720526731 is a deficient number, since it is larger than the sum of its proper divisors (176785753493).

52525720526731 is a wasteful number, since it uses less digits than its factorization.

52525720526731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 52525720526731 in words is "fifty-two trillion, five hundred twenty-five billion, seven hundred twenty million, five hundred twenty-six thousand, seven hundred thirty-one".