51552125 has 16 divisors (see below), whose sum is σ = 64589616. Its totient is φ = 41080000.

The previous prime is 51552107. The next prime is 51552133. The reversal of 51552125 is 52125515.

It can be written as a sum of positive squares in 8 ways, for example, as 46485124 + 5067001 = 6818^2 + 2251^2 .

It is not a de Polignac number, because 51552125 - 2¹⁸ = 51289981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51552094 and 51552103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38975 + ... + 40275.

It is an arithmetic number, because the mean of its divisors is an integer number (4036851).

Almost surely, 2^51552125 is an apocalyptic number.

It is an amenable number.

51552125 is a deficient number, since it is larger than the sum of its proper divisors (13037491).

51552125 is a wasteful number, since it uses less digits than its factorization.

51552125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1623 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 51552125 is about 7179.9808495566. The cubic root of 51552125 is about 372.1764227536.

The spelling of 51552125 in words is "fifty-one million, five hundred fifty-two thousand, one hundred twenty-five".