51433392 has 20 divisors (see below), whose sum is σ = 132869720. Its totient is φ = 17144448.

The previous prime is 51433379. The next prime is 51433423. The reversal of 51433392 is 29333415.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 535717 + ... + 535812.

It is an arithmetic number, because the mean of its divisors is an integer number (6643486).

Almost surely, 2^51433392 is an apocalyptic number.

It is an amenable number.

51433392 is an abundant number, since it is smaller than the sum of its proper divisors (81436328).

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

51433392 is a wasteful number, since it uses less digits than its factorization.

51433392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071540 (or 1071534 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 51433392 is about 7171.7077464158. The cubic root of 51433392 is about 371.8904753299.

The spelling of 51433392 in words is "fifty-one million, four hundred thirty-three thousand, three hundred ninety-two".