51915882 has 8 divisors (see below), whose sum is σ = 103831776. Its totient is φ = 17305292.

The previous prime is 51915869. The next prime is 51915883. The reversal of 51915882 is 28851915.

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

51915882 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51915882.

It is not an unprimeable number, because it can be changed into a prime (51915883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4326318 + ... + 4326329.

It is an arithmetic number, because the mean of its divisors is an integer number (12978972).

Almost surely, 2^51915882 is an apocalyptic number.

51915882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51915882 is a wasteful number, since it uses less digits than its factorization.

51915882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652652.

The product of its digits is 28800, while the sum is 39.

The square root of 51915882 is about 7205.2676563747. The cubic root of 51915882 is about 373.0497433581.

The spelling of 51915882 in words is "fifty-one million, nine hundred fifteen thousand, eight hundred eighty-two".