51727377 has 8 divisors (see below), whose sum is σ = 74275264. Its totient is φ = 31832208.

The previous prime is 51727349. The next prime is 51727397. The reversal of 51727377 is 77372715.

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

It is not a de Polignac number, because 51727377 - 2¹⁴ = 51710993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1326343 = 51727377 / (5 + 1 + 7 + 2 + 7 + 3 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51727337) 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, 663133 + ... + 663210.

It is an arithmetic number, because the mean of its divisors is an integer number (9284408).

Almost surely, 2^51727377 is an apocalyptic number.

It is an amenable number.

51727377 is a deficient number, since it is larger than the sum of its proper divisors (22547887).

51727377 is a wasteful number, since it uses less digits than its factorization.

51727377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326359.

The product of its digits is 72030, while the sum is 39.

The square root of 51727377 is about 7192.1747058869. The cubic root of 51727377 is about 372.5976849943.

The spelling of 51727377 in words is "fifty-one million, seven hundred twenty-seven thousand, three hundred seventy-seven".