51445341 has 8 divisors (see below), whose sum is σ = 76215360. Its totient is φ = 34296876.

The previous prime is 51445327. The next prime is 51445343. The reversal of 51445341 is 14354415.

It is a happy number.

It is not a de Polignac number, because 51445341 - 2⁹ = 51444829 is a prime.

It is a super-2 number, since 2×51445341² = 5293246221212562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1905383 = 51445341 / (5 + 1 + 4 + 4 + 5 + 3 + 4 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51445343) 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, 952665 + ... + 952718.

It is an arithmetic number, because the mean of its divisors is an integer number (9526920).

Almost surely, 2^51445341 is an apocalyptic number.

It is an amenable number.

51445341 is a deficient number, since it is larger than the sum of its proper divisors (24770019).

51445341 is a wasteful number, since it uses less digits than its factorization.

51445341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905392 (or 1905386 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 51445341 is about 7172.5407632163. The cubic root of 51445341 is about 371.9192722848.

Adding to 51445341 its reverse (14354415), we get a palindrome (65799756).

The spelling of 51445341 in words is "fifty-one million, four hundred forty-five thousand, three hundred forty-one".