51759142 has 16 divisors (see below), whose sum is σ = 81453600. Its totient is φ = 24633280.

The previous prime is 51759139. The next prime is 51759151. The reversal of 51759142 is 24195715.

It is a junction number, because it is equal to n+sod(n) for n = 51759098 and 51759107.

It is a congruent number.

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, 2167 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (5090850).

Almost surely, 2^51759142 is an apocalyptic number.

51759142 is a deficient number, since it is larger than the sum of its proper divisors (29694458).

51759142 is a wasteful number, since it uses less digits than its factorization.

51759142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671.

The product of its digits is 12600, while the sum is 34.

The square root of 51759142 is about 7194.3826698335. The cubic root of 51759142 is about 372.6739382558.

The spelling of 51759142 in words is "fifty-one million, seven hundred fifty-nine thousand, one hundred forty-two".