51887295 has 24 divisors (see below), whose sum is σ = 91855296. Its totient is φ = 27083328.

The previous prime is 51887203. The next prime is 51887299. The reversal of 51887295 is 59278815.

It is a happy number.

It is not a de Polignac number, because 51887295 - 2¹⁰ = 51886271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51887295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51887299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10152 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (3827304).

Almost surely, 2^51887295 is an apocalyptic number.

51887295 is a deficient number, since it is larger than the sum of its proper divisors (39968001).

51887295 is a wasteful number, since it uses less digits than its factorization.

51887295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24591 (or 24588 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 51887295 is about 7203.2836262360. The cubic root of 51887295 is about 372.9812586568.

The spelling of 51887295 in words is "fifty-one million, eight hundred eighty-seven thousand, two hundred ninety-five".