51405483 has 16 divisors (see below), whose sum is σ = 71712000. Its totient is φ = 32692704.

The previous prime is 51405479. The next prime is 51405499. The reversal of 51405483 is 38450415.

It is not a de Polignac number, because 51405483 - 2² = 51405479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51405483.

It is not an unprimeable number, because it can be changed into a prime (51405413) 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 15 ways as a sum of consecutive naturals, for example, 33685 + ... + 35177.

It is an arithmetic number, because the mean of its divisors is an integer number (4482000).

Almost surely, 2^51405483 is an apocalyptic number.

51405483 is a deficient number, since it is larger than the sum of its proper divisors (20306517).

51405483 is a wasteful number, since it uses less digits than its factorization.

51405483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 51405483 is about 7169.7617115215. The cubic root of 51405483 is about 371.8231975767.

Adding to 51405483 its reverse (38450415), we get a palindrome (89855898).

The spelling of 51405483 in words is "fifty-one million, four hundred five thousand, four hundred eighty-three".