51994294 has 16 divisors (see below), whose sum is σ = 86282496. Its totient is φ = 23300200.

The previous prime is 51994289. The next prime is 51994301. The reversal of 51994294 is 49249915.

It is a self number, because there is not a number n which added to its sum of digits gives 51994294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15082 + ... + 18205.

It is an arithmetic number, because the mean of its divisors is an integer number (5392656).

Almost surely, 2^51994294 is an apocalyptic number.

51994294 is a deficient number, since it is larger than the sum of its proper divisors (34288202).

51994294 is a wasteful number, since it uses less digits than its factorization.

51994294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371.

The product of its digits is 116640, while the sum is 43.

The square root of 51994294 is about 7210.7069001590. The cubic root of 51994294 is about 373.2374628050.

The spelling of 51994294 in words is "fifty-one million, nine hundred ninety-four thousand, two hundred ninety-four".