51425112 has 16 divisors (see below), whose sum is σ = 128562840. Its totient is φ = 17141696.

The previous prime is 51425107. The next prime is 51425147. The reversal of 51425112 is 21152415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071333 + ... + 1071380.

Almost surely, 2^51425112 is an apocalyptic number.

It is an amenable number.

51425112 is an abundant number, since it is smaller than the sum of its proper divisors (77137728).

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

51425112 is a wasteful number, since it uses less digits than its factorization.

51425112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142722 (or 2142718 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 51425112 is about 7171.1304548167. The cubic root of 51425112 is about 371.8705180073.

Adding to 51425112 its reverse (21152415), we get a palindrome (72577527).

The spelling of 51425112 in words is "fifty-one million, four hundred twenty-five thousand, one hundred twelve".