51404083 has 4 divisors (see below), whose sum is σ = 51934120. Its totient is φ = 50874048.

The previous prime is 51404081. The next prime is 51404099. The reversal of 51404083 is 38040415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51404083 - 2¹ = 51404081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51404081) 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, 264873 + ... + 265066.

It is an arithmetic number, because the mean of its divisors is an integer number (12983530).

Almost surely, 2^51404083 is an apocalyptic number.

51404083 is a deficient number, since it is larger than the sum of its proper divisors (530037).

51404083 is an equidigital number, since it uses as much as digits as its factorization.

51404083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530036.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 51404083 is about 7169.6640786023. The cubic root of 51404083 is about 371.8198220795.

Adding to 51404083 its reverse (38040415), we get a palindrome (89444498).

The spelling of 51404083 in words is "fifty-one million, four hundred four thousand, eighty-three".