51725624 has 8 divisors (see below), whose sum is σ = 96985560. Its totient is φ = 25862808.

The previous prime is 51725573. The next prime is 51725627. The reversal of 51725624 is 42652715.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51725627) by changing a digit.

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, 3232844 + ... + 3232859.

It is an arithmetic number, because the mean of its divisors is an integer number (12123195).

Almost surely, 2^51725624 is an apocalyptic number.

It is an amenable number.

51725624 is a deficient number, since it is larger than the sum of its proper divisors (45259936).

51725624 is a wasteful number, since it uses less digits than its factorization.

51725624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465709 (or 6465705 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 51725624 is about 7192.0528362909. The cubic root of 51725624 is about 372.5934759329.

The spelling of 51725624 in words is "fifty-one million, seven hundred twenty-five thousand, six hundred twenty-four".