51725032 has 16 divisors (see below), whose sum is σ = 98815140. Its totient is φ = 25374336.

The previous prime is 51725017. The next prime is 51725057. The reversal of 51725032 is 23052715.

It can be written as a sum of positive squares in 2 ways, for example, as 51638596 + 86436 = 7186^2 + 294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51724988 and 51725006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60573 + ... + 61420.

Almost surely, 2^51725032 is an apocalyptic number.

It is an amenable number.

51725032 is a deficient number, since it is larger than the sum of its proper divisors (47090108).

51725032 is a wasteful number, since it uses less digits than its factorization.

51725032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122052 (or 122048 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51725032 is about 7192.0116796346. The cubic root of 51725032 is about 372.5920544828.

Adding to 51725032 its reverse (23052715), we get a palindrome (74777747).

The spelling of 51725032 in words is "fifty-one million, seven hundred twenty-five thousand, thirty-two".