52146881533451 has 32 divisors (see below), whose sum is σ = 55313628807168. Its totient is φ = 49086397393920.

The previous prime is 52146881533441. The next prime is 52146881533463. The reversal of 52146881533451 is 15433518864125.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52146881533451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52146881533441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669687146 + ... + 669765008.

It is an arithmetic number, because the mean of its divisors is an integer number (1728550900224).

Almost surely, 2^{52146881533451} is an apocalyptic number.

52146881533451 is a deficient number, since it is larger than the sum of its proper divisors (3166747273717).

52146881533451 is a wasteful number, since it uses less digits than its factorization.

52146881533451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80771.

The product of its digits is 13824000, while the sum is 56.

The spelling of 52146881533451 in words is "fifty-two trillion, one hundred forty-six billion, eight hundred eighty-one million, five hundred thirty-three thousand, four hundred fifty-one".