51787342 has 8 divisors (see below), whose sum is σ = 77970600. Its totient is φ = 25797144.

The previous prime is 51787327. The next prime is 51787343. The reversal of 51787342 is 24378715.

51787342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51787343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47592 + ... + 48667.

It is an arithmetic number, because the mean of its divisors is an integer number (9746325).

Almost surely, 2^51787342 is an apocalyptic number.

51787342 is a deficient number, since it is larger than the sum of its proper divisors (26183258).

51787342 is a wasteful number, since it uses less digits than its factorization.

51787342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96530.

The product of its digits is 47040, while the sum is 37.

The square root of 51787342 is about 7196.3422653456. The cubic root of 51787342 is about 372.7416074418.

The spelling of 51787342 in words is "fifty-one million, seven hundred eighty-seven thousand, three hundred forty-two".