51552015455 has 24 divisors (see below), whose sum is σ = 63668348352. Its totient is φ = 40070950272.

The previous prime is 51552015413. The next prime is 51552015467. The reversal of 51552015455 is 55451025515.

It is not a de Polignac number, because 51552015455 - 2¹⁰ = 51552014431 is a prime.

It is a super-2 number, since 2×51552015455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5286314 + ... + 5296056.

It is an arithmetic number, because the mean of its divisors is an integer number (2652847848).

Almost surely, 2^51552015455 is an apocalyptic number.

51552015455 is a deficient number, since it is larger than the sum of its proper divisors (12116332897).

51552015455 is an equidigital number, since it uses as much as digits as its factorization.

51552015455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595 (or 10558 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 51552015455 in words is "fifty-one billion, five hundred fifty-two million, fifteen thousand, four hundred fifty-five".