51825528 has 32 divisors (see below), whose sum is σ = 143960400. Its totient is φ = 17275104.

The previous prime is 51825497. The next prime is 51825533. The reversal of 51825528 is 82552815.

51825528 is a `hidden beast` number, since 51 + 82 + 5 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 51825492 and 51825501.

It is a congruent number.

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, 119751 + ... + 120182.

Almost surely, 2^51825528 is an apocalyptic number.

It is an amenable number.

51825528 is an abundant number, since it is smaller than the sum of its proper divisors (92134872).

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

51825528 is a wasteful number, since it uses less digits than its factorization.

51825528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239948 (or 239938 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 51825528 is about 7198.9949298496. The cubic root of 51825528 is about 372.8332000555.

The spelling of 51825528 in words is "fifty-one million, eight hundred twenty-five thousand, five hundred twenty-eight".