51264827 has 8 divisors (see below), whose sum is σ = 53216832. Its totient is φ = 49348800.

The previous prime is 51264821. The next prime is 51264839. The reversal of 51264827 is 72846215.

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

It is a cyclic number.

It is not a de Polignac number, because 51264827 - 2²⁰ = 50216251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51264821) 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, 6074 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (6652104).

Almost surely, 2^51264827 is an apocalyptic number.

51264827 is a deficient number, since it is larger than the sum of its proper divisors (1952005).

51264827 is a wasteful number, since it uses less digits than its factorization.

51264827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989.

The product of its digits is 26880, while the sum is 35.

The square root of 51264827 is about 7159.9460193496. The cubic root of 51264827 is about 371.4837594877.

The spelling of 51264827 in words is "fifty-one million, two hundred sixty-four thousand, eight hundred twenty-seven".