51425032 has 24 divisors (see below), whose sum is σ = 99647550. Its totient is φ = 24879360.

The previous prime is 51425009. The next prime is 51425041. The reversal of 51425032 is 23052415.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 15256836 = 6014^2 + 3906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51424994 and 51425012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4344 + ... + 11032.

Almost surely, 2^51425032 is an apocalyptic number.

It is an amenable number.

51425032 is a deficient number, since it is larger than the sum of its proper divisors (48222518).

51425032 is a wasteful number, since it uses less digits than its factorization.

51425032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51425032 is about 7171.1248768934. The cubic root of 51425032 is about 371.8703251725.

Adding to 51425032 its reverse (23052415), we get a palindrome (74477447).

The spelling of 51425032 in words is "fifty-one million, four hundred twenty-five thousand, thirty-two".