51575112 has 24 divisors (see below), whose sum is σ = 139682790. Its totient is φ = 17191680.

The previous prime is 51575099. The next prime is 51575113. The reversal of 51575112 is 21157515.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 509796 = 7146^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (51575113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358089 + ... + 358232.

Almost surely, 2^51575112 is an apocalyptic number.

It is an amenable number.

51575112 is an abundant number, since it is smaller than the sum of its proper divisors (88107678).

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

51575112 is a wasteful number, since it uses less digits than its factorization.

51575112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716333 (or 716326 counting only the distinct ones).

The product of its digits is 1750, while the sum is 27.

The square root of 51575112 is about 7181.5814414375. The cubic root of 51575112 is about 372.2317321333.

The spelling of 51575112 in words is "fifty-one million, five hundred seventy-five thousand, one hundred twelve".