51407294 has 16 divisors (see below), whose sum is σ = 78246000. Its totient is φ = 25328064.

The previous prime is 51407281. The next prime is 51407309. The reversal of 51407294 is 49270415.

It is a happy number.

51407294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51407294.

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, 48482 + ... + 49530.

It is an arithmetic number, because the mean of its divisors is an integer number (4890375).

Almost surely, 2^51407294 is an apocalyptic number.

51407294 is a deficient number, since it is larger than the sum of its proper divisors (26838706).

51407294 is a wasteful number, since it uses less digits than its factorization.

51407294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 51407294 is about 7169.8880047041. Note that the first 3 decimals coincide. The cubic root of 51407294 is about 371.8275639326.

The spelling of 51407294 in words is "fifty-one million, four hundred seven thousand, two hundred ninety-four".