51022774 has 16 divisors (see below), whose sum is σ = 86371920. Its totient is φ = 22392160.

The previous prime is 51022759. The next prime is 51022781. The reversal of 51022774 is 47722015.

51022774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 39349 + ... + 40624.

It is an arithmetic number, because the mean of its divisors is an integer number (5398245).

Almost surely, 2^51022774 is an apocalyptic number.

51022774 is a deficient number, since it is larger than the sum of its proper divisors (35349146).

51022774 is a wasteful number, since it uses less digits than its factorization.

51022774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80015.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 51022774 is about 7143.0227495088. The cubic root of 51022774 is about 370.8981685681.

Adding to 51022774 its reverse (47722015), we get a palindrome (98744789).

The spelling of 51022774 in words is "fifty-one million, twenty-two thousand, seven hundred seventy-four".