51005594 has 8 divisors (see below), whose sum is σ = 76758528. Its totient is φ = 25419420.

The previous prime is 51005579. The next prime is 51005597. The reversal of 51005594 is 49550015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51005597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40922 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (9594816).

Almost surely, 2^51005594 is an apocalyptic number.

51005594 is a deficient number, since it is larger than the sum of its proper divisors (25752934).

51005594 is a wasteful number, since it uses less digits than its factorization.

51005594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83380.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 51005594 is about 7141.8200761431. The cubic root of 51005594 is about 370.8565352258.

The spelling of 51005594 in words is "fifty-one million, five thousand, five hundred ninety-four".