51441189 has 8 divisors (see below), whose sum is σ = 72198240. Its totient is φ = 32489136.

The previous prime is 51441163. The next prime is 51441191. The reversal of 51441189 is 98114415.

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

It is not a de Polignac number, because 51441189 - 2⁸ = 51440933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441109) 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, 451182 + ... + 451295.

It is an arithmetic number, because the mean of its divisors is an integer number (9024780).

Almost surely, 2^51441189 is an apocalyptic number.

It is an amenable number.

51441189 is a deficient number, since it is larger than the sum of its proper divisors (20757051).

51441189 is a wasteful number, since it uses less digits than its factorization.

51441189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902499.

The product of its digits is 5760, while the sum is 33.

The square root of 51441189 is about 7172.2513201923. The cubic root of 51441189 is about 371.9092665173.

The spelling of 51441189 in words is "fifty-one million, four hundred forty-one thousand, one hundred eighty-nine".