51525168 has 20 divisors (see below), whose sum is σ = 133106808. Its totient is φ = 17175040.

The previous prime is 51525167. The next prime is 51525179. The reversal of 51525168 is 86152515.

It is not an unprimeable number, because it can be changed into a prime (51525161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536673 + ... + 536768.

Almost surely, 2^51525168 is an apocalyptic number.

It is an amenable number.

51525168 is an abundant number, since it is smaller than the sum of its proper divisors (81581640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51525168 is a wasteful number, since it uses less digits than its factorization.

51525168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073452 (or 1073446 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 51525168 is about 7178.1033706683. The cubic root of 51525168 is about 372.1115401449. Note that the first 3 decimals are identical.

The spelling of 51525168 in words is "fifty-one million, five hundred twenty-five thousand, one hundred sixty-eight".