51407286 has 32 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 13823616.

The previous prime is 51407281. The next prime is 51407309. The reversal of 51407286 is 68270415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51407281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35286 + ... + 36713.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^51407286 is an apocalyptic number.

51407286 is an abundant number, since it is smaller than the sum of its proper divisors (73008714).

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

51407286 is a wasteful number, since it uses less digits than its factorization.

51407286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72028.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 51407286 is about 7169.8874468153. The cubic root of 51407286 is about 371.8275446447.

The spelling of 51407286 in words is "fifty-one million, four hundred seven thousand, two hundred eighty-six".