51725653 has 8 divisors (see below), whose sum is σ = 59541440. Its totient is φ = 44016480.

The previous prime is 51725651. The next prime is 51725659. The reversal of 51725653 is 35652715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51725653 - 2¹ = 51725651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51725651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25608 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (7442680).

Almost surely, 2^51725653 is an apocalyptic number.

It is an amenable number.

51725653 is a deficient number, since it is larger than the sum of its proper divisors (7815787).

51725653 is a wasteful number, since it uses less digits than its factorization.

51725653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53307.

The product of its digits is 31500, while the sum is 34.

The square root of 51725653 is about 7192.0548524048. The cubic root of 51725653 is about 372.5935455645.

The spelling of 51725653 in words is "fifty-one million, seven hundred twenty-five thousand, six hundred fifty-three".