51278082 has 16 divisors (see below), whose sum is σ = 102626400. Its totient is φ = 17080992.

The previous prime is 51278053. The next prime is 51278089. The reversal of 51278082 is 28087215.

It is not an unprimeable number, because it can be changed into a prime (51278089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15294 + ... + 18342.

It is an arithmetic number, because the mean of its divisors is an integer number (6414150).

Almost surely, 2^51278082 is an apocalyptic number.

51278082 is an abundant number, since it is smaller than the sum of its proper divisors (51348318).

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

51278082 is a wasteful number, since it uses less digits than its factorization.

51278082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 51278082 is about 7160.8715949946. The cubic root of 51278082 is about 371.5157735943.

The spelling of 51278082 in words is "fifty-one million, two hundred seventy-eight thousand, eighty-two".