51146432 has 28 divisors (see below), whose sum is σ = 104241600. Its totient is φ = 24880896.

The previous prime is 51146419. The next prime is 51146449. The reversal of 51146432 is 23464115.

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 3 ways as a sum of consecutive naturals, for example, 8432 + ... + 13167.

Almost surely, 2^51146432 is an apocalyptic number.

It is an amenable number.

51146432 is an abundant number, since it is smaller than the sum of its proper divisors (53095168).

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

51146432 is a wasteful number, since it uses less digits than its factorization.

51146432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21648 (or 21638 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 51146432 is about 7151.6733706175. The cubic root of 51146432 is about 371.1975611711.

The spelling of 51146432 in words is "fifty-one million, one hundred forty-six thousand, four hundred thirty-two".