51359427 has 40 divisors (see below), whose sum is σ = 88281600. Its totient is φ = 29148336.

The previous prime is 51359419. The next prime is 51359443. The reversal of 51359427 is 72495315.

51359427 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 51359427 - 2³ = 51359419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51359391 and 51359400.

It is not an unprimeable number, because it can be changed into a prime (51359417) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135324 + ... + 135702.

It is an arithmetic number, because the mean of its divisors is an integer number (2207040).

Almost surely, 2^51359427 is an apocalyptic number.

51359427 is a deficient number, since it is larger than the sum of its proper divisors (36922173).

51359427 is a wasteful number, since it uses less digits than its factorization.

51359427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 628 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 51359427 is about 7166.5491695795. The cubic root of 51359427 is about 371.7121211899.

The spelling of 51359427 in words is "fifty-one million, three hundred fifty-nine thousand, four hundred twenty-seven".