51875760 has 40 divisors (see below), whose sum is σ = 160815600. Its totient is φ = 13833472.

The previous prime is 51875749. The next prime is 51875767. The reversal of 51875760 is 6757815.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51875767) 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, 107835 + ... + 108314.

It is an arithmetic number, because the mean of its divisors is an integer number (4020390).

Almost surely, 2^51875760 is an apocalyptic number.

It is an amenable number.

51875760 is an abundant number, since it is smaller than the sum of its proper divisors (108939840).

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

51875760 is a wasteful number, since it uses less digits than its factorization.

51875760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216165 (or 216159 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 51875760 is about 7202.4829052209. The cubic root of 51875760 is about 372.9536176085.

The spelling of 51875760 in words is "fifty-one million, eight hundred seventy-five thousand, seven hundred sixty".