51875712 has 144 divisors (see below), whose sum is σ = 173838600. Its totient is φ = 14805504.

The previous prime is 51875683. The next prime is 51875723. The reversal of 51875712 is 21757815.

51875712 is a `hidden beast` number, since 5 + 1 + 87 + 571 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55989 + ... + 56907.

Almost surely, 2^51875712 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 51875712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86919300).

51875712 is an abundant number, since it is smaller than the sum of its proper divisors (121962888).

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

51875712 is a wasteful number, since it uses less digits than its factorization.

51875712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 931 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 51875712 is about 7202.4795730359. The cubic root of 51875712 is about 372.9535025787.

The spelling of 51875712 in words is "fifty-one million, eight hundred seventy-five thousand, seven hundred twelve".