51194790 has 24 divisors (see below), whose sum is σ = 133106688. Its totient is φ = 13651920.

The previous prime is 51194789. The next prime is 51194807. The reversal of 51194790 is 9749115.

51194790 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 11 ways as a sum of consecutive naturals, for example, 284326 + ... + 284505.

It is an arithmetic number, because the mean of its divisors is an integer number (5546112).

Almost surely, 2^51194790 is an apocalyptic number.

51194790 is an abundant number, since it is smaller than the sum of its proper divisors (81911898).

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

51194790 is a wasteful number, since it uses less digits than its factorization.

51194790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568844 (or 568841 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 51194790 is about 7155.0534589198. The cubic root of 51194790 is about 371.3145111171.

It can be divided in two parts, 51194 and 790, that added together give a square (51984 = 228²).

The spelling of 51194790 in words is "fifty-one million, one hundred ninety-four thousand, seven hundred ninety".