51292342 has 4 divisors (see below), whose sum is σ = 76938516. Its totient is φ = 25646170.

The previous prime is 51292337. The next prime is 51292357. The reversal of 51292342 is 24329215.

51292342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51292342.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12823084 + ... + 12823087.

It is an arithmetic number, because the mean of its divisors is an integer number (19234629).

Almost surely, 2^51292342 is an apocalyptic number.

51292342 is a deficient number, since it is larger than the sum of its proper divisors (25646174).

51292342 is a wasteful number, since it uses less digits than its factorization.

51292342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25646173.

The product of its digits is 4320, while the sum is 28.

The square root of 51292342 is about 7161.8672146306. The cubic root of 51292342 is about 371.5502088650.

The spelling of 51292342 in words is "fifty-one million, two hundred ninety-two thousand, three hundred forty-two".