51327537 has 8 divisors (see below), whose sum is σ = 70644480. Its totient is φ = 33114480.

The previous prime is 51327527. The next prime is 51327553. The reversal of 51327537 is 73572315.

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

It is not a de Polignac number, because 51327537 - 2⁸ = 51327281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51327498 and 51327507.

It is not an unprimeable number, because it can be changed into a prime (51327527) 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, 275862 + ... + 276047.

It is an arithmetic number, because the mean of its divisors is an integer number (8830560).

Almost surely, 2^51327537 is an apocalyptic number.

It is an amenable number.

51327537 is a deficient number, since it is larger than the sum of its proper divisors (19316943).

51327537 is a wasteful number, since it uses less digits than its factorization.

51327537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551943.

The product of its digits is 22050, while the sum is 33.

The square root of 51327537 is about 7164.3239039005. The cubic root of 51327537 is about 371.6351709946.

The spelling of 51327537 in words is "fifty-one million, three hundred twenty-seven thousand, five hundred thirty-seven".