52451531441 has 4 divisors (see below), whose sum is σ = 54732032832. Its totient is φ = 50171030052.

The previous prime is 52451531381. The next prime is 52451531459. The reversal of 52451531441 is 14413515425.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52451531441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52451531491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140250661 + ... + 1140250706.

It is an arithmetic number, because the mean of its divisors is an integer number (13683008208).

Almost surely, 2^52451531441 is an apocalyptic number.

It is an amenable number.

52451531441 is a deficient number, since it is larger than the sum of its proper divisors (2280501391).

52451531441 is a wasteful number, since it uses less digits than its factorization.

52451531441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280501390.

The product of its digits is 48000, while the sum is 35.

The spelling of 52451531441 in words is "fifty-two billion, four hundred fifty-one million, five hundred thirty-one thousand, four hundred forty-one".