51496895 has 16 divisors (see below), whose sum is σ = 64152000. Its totient is φ = 39637248.

The previous prime is 51496883. The next prime is 51496909. The reversal of 51496895 is 59869415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51496895 - 2⁶ = 51496831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63251 + ... + 64059.

It is an arithmetic number, because the mean of its divisors is an integer number (4009500).

Almost surely, 2^51496895 is an apocalyptic number.

51496895 is a deficient number, since it is larger than the sum of its proper divisors (12655105).

51496895 is a wasteful number, since it uses less digits than its factorization.

51496895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 388800, while the sum is 47.

The square root of 51496895 is about 7176.1337083418. The cubic root of 51496895 is about 372.0434657463.

The spelling of 51496895 in words is "fifty-one million, four hundred ninety-six thousand, eight hundred ninety-five".