52721444412725 has 48 divisors (see below), whose sum is σ = 71803369843776. Its totient is φ = 38081988672000.

The previous prime is 52721444412683. The next prime is 52721444412787.

It is a happy number.

52721444412725 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52721444412725 - 2²⁴ = 52721427635509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98907170 + ... + 99438780.

It is an arithmetic number, because the mean of its divisors is an integer number (1495903538412).

Almost surely, 2^{52721444412725} is an apocalyptic number.

52721444412725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52721444412725 is a deficient number, since it is larger than the sum of its proper divisors (19081925431051).

52721444412725 is a wasteful number, since it uses less digits than its factorization.

52721444412725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534086 (or 534081 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 50.

It can be divided in two parts, 5272144 and 4412725, that added together give a palindrome (9684869).

The spelling of 52721444412725 in words is "fifty-two trillion, seven hundred twenty-one billion, four hundred forty-four million, four hundred twelve thousand, seven hundred twenty-five".