51495295 has 32 divisors (see below), whose sum is σ = 68219712. Its totient is φ = 37158912.

The previous prime is 51495293. The next prime is 51495307. The reversal of 51495295 is 59259415.

It is a cyclic number.

It is not a de Polignac number, because 51495295 - 2¹ = 51495293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51495293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266719 + ... + 266911.

It is an arithmetic number, because the mean of its divisors is an integer number (2131866).

Almost surely, 2^51495295 is an apocalyptic number.

51495295 is a deficient number, since it is larger than the sum of its proper divisors (16724417).

51495295 is a wasteful number, since it uses less digits than its factorization.

51495295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its digits is 81000, while the sum is 40.

The square root of 51495295 is about 7176.0222268329. The cubic root of 51495295 is about 372.0396125967.

The spelling of 51495295 in words is "fifty-one million, four hundred ninety-five thousand, two hundred ninety-five".