51725552 has 10 divisors (see below), whose sum is σ = 100218288. Its totient is φ = 25862768.

The previous prime is 51725549. The next prime is 51725561. The reversal of 51725552 is 25552715.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1616408 + ... + 1616439.

Almost surely, 2^51725552 is an apocalyptic number.

It is an amenable number.

51725552 is a deficient number, since it is larger than the sum of its proper divisors (48492736).

51725552 is a wasteful number, since it uses less digits than its factorization.

51725552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232855 (or 3232849 counting only the distinct ones).

The product of its digits is 17500, while the sum is 32.

The square root of 51725552 is about 7192.0478307642. The cubic root of 51725552 is about 372.5933030544.

The spelling of 51725552 in words is "fifty-one million, seven hundred twenty-five thousand, five hundred fifty-two".