51594066 has 48 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 16662240.

The previous prime is 51594061. The next prime is 51594073. The reversal of 51594066 is 66049515.

51594066 is a `hidden beast` number, since 5 + 1 + 594 + 0 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51594066.

It is not an unprimeable number, because it can be changed into a prime (51594061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147660 + ... + 148008.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^51594066 is an apocalyptic number.

51594066 is an abundant number, since it is smaller than the sum of its proper divisors (63721134).

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

51594066 is a wasteful number, since it uses less digits than its factorization.

51594066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 51594066 is about 7182.9009459967. The cubic root of 51594066 is about 372.2773252878.

The spelling of 51594066 in words is "fifty-one million, five hundred ninety-four thousand, sixty-six".