51331159 has 8 divisors (see below), whose sum is σ = 56049552. Its totient is φ = 46621440.

The previous prime is 51331157. The next prime is 51331169. The reversal of 51331159 is 95113315.

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

It is a cyclic number.

It is not a de Polignac number, because 51331159 - 2¹ = 51331157 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 (51331151) 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, 21447 + ... + 23719.

It is an arithmetic number, because the mean of its divisors is an integer number (7006194).

Almost surely, 2^51331159 is an apocalyptic number.

51331159 is a deficient number, since it is larger than the sum of its proper divisors (4718393).

51331159 is a wasteful number, since it uses less digits than its factorization.

51331159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its digits is 2025, while the sum is 28.

The square root of 51331159 is about 7164.5766797488. The cubic root of 51331159 is about 371.6439124422.

The spelling of 51331159 in words is "fifty-one million, three hundred thirty-one thousand, one hundred fifty-nine".