51744625 has 16 divisors (see below), whose sum is σ = 65220480. Its totient is φ = 40983600.

The previous prime is 51744599. The next prime is 51744631. The reversal of 51744625 is 52644715.

It is not a de Polignac number, because 51744625 - 2¹⁷ = 51613553 is a prime.

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, 10866 + ... + 14884.

It is an arithmetic number, because the mean of its divisors is an integer number (4076280).

Almost surely, 2^51744625 is an apocalyptic number.

It is an amenable number.

51744625 is a deficient number, since it is larger than the sum of its proper divisors (13475855).

51744625 is a wasteful number, since it uses less digits than its factorization.

51744625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4127 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 51744625 is about 7193.3736869427. The cubic root of 51744625 is about 372.6390934392.

The spelling of 51744625 in words is "fifty-one million, seven hundred forty-four thousand, six hundred twenty-five".