51867295 has 4 divisors (see below), whose sum is σ = 62240760. Its totient is φ = 41493832.

The previous prime is 51867271. The next prime is 51867301. The reversal of 51867295 is 59276815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51867295 - 2²⁵ = 18312863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186725 + ... + 5186734.

It is an arithmetic number, because the mean of its divisors is an integer number (15560190).

Almost surely, 2^51867295 is an apocalyptic number.

51867295 is a deficient number, since it is larger than the sum of its proper divisors (10373465).

51867295 is a wasteful number, since it uses less digits than its factorization.

51867295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373464.

The product of its digits is 151200, while the sum is 43.

The square root of 51867295 is about 7201.8952366721. The cubic root of 51867295 is about 372.9333305219.

The spelling of 51867295 in words is "fifty-one million, eight hundred sixty-seven thousand, two hundred ninety-five".