51915063 has 8 divisors (see below), whose sum is σ = 69471088. Its totient is φ = 34484544.

The previous prime is 51915053. The next prime is 51915067. The reversal of 51915063 is 36051915.

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

It is not a de Polignac number, because 51915063 - 2⁴ = 51915047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51915063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51915067) 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, 30406 + ... + 32067.

It is an arithmetic number, because the mean of its divisors is an integer number (8683886).

Almost surely, 2^51915063 is an apocalyptic number.

51915063 is a deficient number, since it is larger than the sum of its proper divisors (17556025).

51915063 is a wasteful number, since it uses less digits than its factorization.

51915063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62753.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 51915063 is about 7205.2108227310. The cubic root of 51915063 is about 373.0477816633.

Adding to 51915063 its reverse (36051915), we get a palindrome (87966978).

The spelling of 51915063 in words is "fifty-one million, nine hundred fifteen thousand, sixty-three".