51343033 has 12 divisors (see below), whose sum is σ = 60279780. Its totient is φ = 43600032.

The previous prime is 51343031. The next prime is 51343051. The reversal of 51343033 is 33034315.

It can be written as a sum of positive squares in 2 ways, for example, as 46199209 + 5143824 = 6797^2 + 2268^2 .

It is not a de Polignac number, because 51343033 - 2¹ = 51343031 is a prime.

It is a super-2 number, since 2×51343033² = 5272214075278178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51342995 and 51343013.

It is not an unprimeable number, because it can be changed into a prime (51343031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 10147.

It is an arithmetic number, because the mean of its divisors is an integer number (5023315).

Almost surely, 2^51343033 is an apocalyptic number.

It is an amenable number.

51343033 is a deficient number, since it is larger than the sum of its proper divisors (8936747).

51343033 is a wasteful number, since it uses less digits than its factorization.

51343033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 51343033 is about 7165.4052920962. The cubic root of 51343033 is about 371.6725666403.

Adding to 51343033 its reverse (33034315), we get a palindrome (84377348).

The spelling of 51343033 in words is "fifty-one million, three hundred forty-three thousand, thirty-three".