51678627 has 32 divisors (see below), whose sum is σ = 92520960. Its totient is φ = 24779520.

The previous prime is 51678619. The next prime is 51678637. The reversal of 51678627 is 72687615.

It is not a de Polignac number, because 51678627 - 2³ = 51678619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51678617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5602 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (2891280).

Almost surely, 2^51678627 is an apocalyptic number.

51678627 is a deficient number, since it is larger than the sum of its proper divisors (40842333).

51678627 is a wasteful number, since it uses less digits than its factorization.

51678627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17243.

The product of its digits is 141120, while the sum is 42.

The square root of 51678627 is about 7188.7848069058. The cubic root of 51678627 is about 372.4805977612.

The spelling of 51678627 in words is "fifty-one million, six hundred seventy-eight thousand, six hundred twenty-seven".