51258590 has 16 divisors (see below), whose sum is σ = 92473920. Its totient is φ = 20457120.

The previous prime is 51258563. The next prime is 51258607. The reversal of 51258590 is 9585215.

51258590 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 51258590.

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, 950 + ... + 10169.

It is an arithmetic number, because the mean of its divisors is an integer number (5779620).

Almost surely, 2^51258590 is an apocalyptic number.

51258590 is a deficient number, since it is larger than the sum of its proper divisors (41215330).

51258590 is a wasteful number, since it uses less digits than its factorization.

51258590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 51258590 is about 7159.5104581249. The cubic root of 51258590 is about 371.4686936793.

The spelling of 51258590 in words is "fifty-one million, two hundred fifty-eight thousand, five hundred ninety".