51875115 has 32 divisors (see below), whose sum is σ = 84926016. Its totient is φ = 27033600.

The previous prime is 51875107. The next prime is 51875137. The reversal of 51875115 is 51157815.

It is not a de Polignac number, because 51875115 - 2³ = 51875107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146779 + ... + 147131.

It is an arithmetic number, because the mean of its divisors is an integer number (2653938).

Almost surely, 2^51875115 is an apocalyptic number.

51875115 is a deficient number, since it is larger than the sum of its proper divisors (33050901).

51875115 is a wasteful number, since it uses less digits than its factorization.

51875115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 7000, while the sum is 33.

The square root of 51875115 is about 7202.4381288561. The cubic root of 51875115 is about 372.9520718893.

The spelling of 51875115 in words is "fifty-one million, eight hundred seventy-five thousand, one hundred fifteen".