51474732 has 24 divisors (see below), whose sum is σ = 120918000. Its totient is φ = 17042496.

The previous prime is 51474719. The next prime is 51474749. The reversal of 51474732 is 23747415.

It is a junction number, because it is equal to n+sod(n) for n = 51474693 and 51474702.

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, 12607 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (5038250).

Almost surely, 2^51474732 is an apocalyptic number.

It is an amenable number.

51474732 is an abundant number, since it is smaller than the sum of its proper divisors (69443268).

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

51474732 is a wasteful number, since it uses less digits than its factorization.

51474732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28945 (or 28943 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 51474732 is about 7174.5893262263. The cubic root of 51474732 is about 371.9900852948.

The spelling of 51474732 in words is "fifty-one million, four hundred seventy-four thousand, seven hundred thirty-two".