51255413827 has 8 divisors (see below), whose sum is σ = 53769644640. Its totient is φ = 48790969920.

The previous prime is 51255413801. The next prime is 51255413837. The reversal of 51255413827 is 72831455215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51255413827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51255413837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12444618 + ... + 12448735.

It is an arithmetic number, because the mean of its divisors is an integer number (6721205580).

Almost surely, 2^51255413827 is an apocalyptic number.

51255413827 is a deficient number, since it is larger than the sum of its proper divisors (2514230813).

51255413827 is a wasteful number, since it uses less digits than its factorization.

51255413827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24893453.

The product of its digits is 336000, while the sum is 43.

The spelling of 51255413827 in words is "fifty-one billion, two hundred fifty-five million, four hundred thirteen thousand, eight hundred twenty-seven".