51782372 has 24 divisors (see below), whose sum is σ = 96549600. Its totient is φ = 24230016.

The previous prime is 51782347. The next prime is 51782377. The reversal of 51782372 is 27328715.

It is not an unprimeable number, because it can be changed into a prime (51782377) by changing a digit.

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, 2204 + ... + 10412.

It is an arithmetic number, because the mean of its divisors is an integer number (4022900).

Almost surely, 2^51782372 is an apocalyptic number.

It is an amenable number.

51782372 is a deficient number, since it is larger than the sum of its proper divisors (44767228).

51782372 is a wasteful number, since it uses less digits than its factorization.

51782372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315 (or 8313 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 51782372 is about 7195.9969427453. The cubic root of 51782372 is about 372.7296831312.

The spelling of 51782372 in words is "fifty-one million, seven hundred eighty-two thousand, three hundred seventy-two".