51914585 has 4 divisors (see below), whose sum is σ = 62297508. Its totient is φ = 41531664.

The previous prime is 51914563. The next prime is 51914587. The reversal of 51914585 is 58541915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58541915 = 5 ⋅11708383.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 38105929 = 3716^2 + 6173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51914585 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51914587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5191454 + ... + 5191463.

It is an arithmetic number, because the mean of its divisors is an integer number (15574377).

Almost surely, 2^51914585 is an apocalyptic number.

It is an amenable number.

51914585 is a deficient number, since it is larger than the sum of its proper divisors (10382923).

51914585 is a wasteful number, since it uses less digits than its factorization.

51914585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10382922.

The product of its digits is 36000, while the sum is 38.

The square root of 51914585 is about 7205.1776522165. The cubic root of 51914585 is about 373.0466367330.

The spelling of 51914585 in words is "fifty-one million, nine hundred fourteen thousand, five hundred eighty-five".