51875472 has 80 divisors (see below), whose sum is σ = 153918720. Its totient is φ = 14889600.

The previous prime is 51875471. The next prime is 51875497. The reversal of 51875472 is 27457815.

It is a self number, because there is not a number n which added to its sum of digits gives 51875472.

It is not an unprimeable number, because it can be changed into a prime (51875471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7447 + ... + 12617.

It is an arithmetic number, because the mean of its divisors is an integer number (1923984).

Almost surely, 2^51875472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51875472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76959360).

51875472 is an abundant number, since it is smaller than the sum of its proper divisors (102043248).

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

51875472 is a wasteful number, since it uses less digits than its factorization.

51875472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212 (or 5206 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 51875472 is about 7202.4629120878. The cubic root of 51875472 is about 372.9529274285.

The spelling of 51875472 in words is "fifty-one million, eight hundred seventy-five thousand, four hundred seventy-two".