51560625 has 40 divisors (see below), whose sum is σ = 87047136. Its totient is φ = 27136000.

The previous prime is 51560599. The next prime is 51560629. The reversal of 51560625 is 52606515.

It is not a de Polignac number, because 51560625 - 2⁷ = 51560497 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51560592 and 51560601.

It is not an unprimeable number, because it can be changed into a prime (51560629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 200497 + ... + 200753.

Almost surely, 2^51560625 is an apocalyptic number.

It is an amenable number.

51560625 is a deficient number, since it is larger than the sum of its proper divisors (35486511).

51560625 is a wasteful number, since it uses less digits than its factorization.

51560625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 51560625 is about 7180.5727487437. The cubic root of 51560625 is about 372.1968766518.

The spelling of 51560625 in words is "fifty-one million, five hundred sixty thousand, six hundred twenty-five".