51892782 has 8 divisors (see below), whose sum is σ = 103785576. Its totient is φ = 17297592.

The previous prime is 51892733. The next prime is 51892817. The reversal of 51892782 is 28729815.

It is a sphenic number, since it is the product of 3 distinct primes.

51892782 is an admirable number.

It is a congruent number.

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, 4324393 + ... + 4324404.

It is an arithmetic number, because the mean of its divisors is an integer number (12973197).

Almost surely, 2^51892782 is an apocalyptic number.

51892782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51892782 is a wasteful number, since it uses less digits than its factorization.

51892782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648802.

The product of its digits is 80640, while the sum is 42.

The square root of 51892782 is about 7203.6644841358. The cubic root of 51892782 is about 372.9944055876.

The spelling of 51892782 in words is "fifty-one million, eight hundred ninety-two thousand, seven hundred eighty-two".