51880790 has 32 divisors (see below), whose sum is σ = 102918816. Its totient is φ = 18708480.

The previous prime is 51880783. The next prime is 51880819. The reversal of 51880790 is 9708815.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (3216213).

Almost surely, 2^51880790 is an apocalyptic number.

51880790 is a deficient number, since it is larger than the sum of its proper divisors (51038026).

51880790 is a wasteful number, since it uses less digits than its factorization.

51880790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 51880790 is about 7202.8320818967. The cubic root of 51880790 is about 372.9656713826.

The spelling of 51880790 in words is "fifty-one million, eight hundred eighty thousand, seven hundred ninety".