51607125 has 48 divisors (see below), whose sum is σ = 96532800. Its totient is φ = 27507600.

The previous prime is 51607117. The next prime is 51607133. The reversal of 51607125 is 52170615.

51607125 is a `hidden beast` number, since 51 + 607 + 1 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (51607117) and next prime (51607133).

It is not a de Polignac number, because 51607125 - 2³ = 51607117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29526 + ... + 31224.

It is an arithmetic number, because the mean of its divisors is an integer number (2011100).

Almost surely, 2^51607125 is an apocalyptic number.

It is an amenable number.

51607125 is a deficient number, since it is larger than the sum of its proper divisors (44925675).

51607125 is an equidigital number, since it uses as much as digits as its factorization.

51607125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 51607125 is about 7183.8099223184. The cubic root of 51607125 is about 372.3087317385.

The spelling of 51607125 in words is "fifty-one million, six hundred seven thousand, one hundred twenty-five".