51725760 has 56 divisors (see below), whose sum is σ = 164232336. Its totient is φ = 13793280.

The previous prime is 51725759. The next prime is 51725761. The reversal of 51725760 is 6752715.

It is an interprime number because it is at equal distance from previous prime (51725759) and next prime (51725761).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51725761) 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, 25981 + ... + 27900.

Almost surely, 2^51725760 is an apocalyptic number.

It is an amenable number.

51725760 is an abundant number, since it is smaller than the sum of its proper divisors (112506576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51725760 is a wasteful number, since it uses less digits than its factorization.

51725760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53901 (or 53891 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 51725760 is about 7192.0622911652. The cubic root of 51725760 is about 372.5938024807.

The spelling of 51725760 in words is "fifty-one million, seven hundred twenty-five thousand, seven hundred sixty".