51779327 has 4 divisors (see below), whose sum is σ = 51826320. Its totient is φ = 51732336.

The previous prime is 51779311. The next prime is 51779363. The reversal of 51779327 is 72397715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51779327 - 2⁴ = 51779311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51779227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21803 + ... + 24060.

It is an arithmetic number, because the mean of its divisors is an integer number (12956580).

Almost surely, 2^51779327 is an apocalyptic number.

51779327 is a deficient number, since it is larger than the sum of its proper divisors (46993).

51779327 is a wasteful number, since it uses less digits than its factorization.

51779327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46992.

The product of its digits is 92610, while the sum is 41.

The square root of 51779327 is about 7195.7853636695. The cubic root of 51779327 is about 372.7223770146.

The spelling of 51779327 in words is "fifty-one million, seven hundred seventy-nine thousand, three hundred twenty-seven".