51253032 has 32 divisors (see below), whose sum is σ = 134877600. Its totient is φ = 16185024.

The previous prime is 51253001. The next prime is 51253043. The reversal of 51253032 is 23035215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55743 + ... + 56654.

It is an arithmetic number, because the mean of its divisors is an integer number (4214925).

Almost surely, 2^51253032 is an apocalyptic number.

It is an amenable number.

51253032 is an abundant number, since it is smaller than the sum of its proper divisors (83624568).

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

51253032 is a wasteful number, since it uses less digits than its factorization.

51253032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112425 (or 112421 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51253032 is about 7159.1222925719. The cubic root of 51253032 is about 371.4552670021.

Adding to 51253032 its reverse (23035215), we get a palindrome (74288247).

The spelling of 51253032 in words is "fifty-one million, two hundred fifty-three thousand, thirty-two".