51030875 has 16 divisors (see below), whose sum is σ = 72785856. Its totient is φ = 34992000.

The previous prime is 51030851. The next prime is 51030877. The reversal of 51030875 is 57803015.

It is not a de Polignac number, because 51030875 - 2¹⁰ = 51029851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51030877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28286 + ... + 30035.

It is an arithmetic number, because the mean of its divisors is an integer number (4549116).

Almost surely, 2^51030875 is an apocalyptic number.

51030875 is a deficient number, since it is larger than the sum of its proper divisors (21754981).

51030875 is an equidigital number, since it uses as much as digits as its factorization.

51030875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58343 (or 58333 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51030875 is about 7143.5897838552. The cubic root of 51030875 is about 370.9177969734.

The spelling of 51030875 in words is "fifty-one million, thirty thousand, eight hundred seventy-five".