51894875 has 8 divisors (see below), whose sum is σ = 64764960. Its totient is φ = 41515800.

The previous prime is 51894853. The next prime is 51894881. The reversal of 51894875 is 57849815.

It is not a de Polignac number, because 51894875 - 2²² = 47700571 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207455 + ... + 207704.

It is an arithmetic number, because the mean of its divisors is an integer number (8095620).

Almost surely, 2^51894875 is an apocalyptic number.

51894875 is a deficient number, since it is larger than the sum of its proper divisors (12870085).

51894875 is an equidigital number, since it uses as much as digits as its factorization.

51894875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415174 (or 415164 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 51894875 is about 7203.8097559555. The cubic root of 51894875 is about 372.9994202015. Note that the first 3 decimals are identical.

The spelling of 51894875 in words is "fifty-one million, eight hundred ninety-four thousand, eight hundred seventy-five".