51059189 has 8 divisors (see below), whose sum is σ = 52342752. Its totient is φ = 49780080.

The previous prime is 51059179. The next prime is 51059209. The reversal of 51059189 is 98195015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51059189 is a prime.

It is a Duffinian number.

51059189 is a modest number, since divided by 9189 gives 5105 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51059179) 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, 43322 + ... + 44484.

It is an arithmetic number, because the mean of its divisors is an integer number (6542844).

Almost surely, 2^51059189 is an apocalyptic number.

It is an amenable number.

51059189 is a deficient number, since it is larger than the sum of its proper divisors (1283563).

51059189 is a wasteful number, since it uses less digits than its factorization.

51059189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 51059189 is about 7145.5712857685. The cubic root of 51059189 is about 370.9863843711.

The spelling of 51059189 in words is "fifty-one million, fifty-nine thousand, one hundred eighty-nine".