51545343 has 16 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 31297920.

The previous prime is 51545341. The next prime is 51545353. The reversal of 51545343 is 34354515.

It is not a de Polignac number, because 51545343 - 2¹ = 51545341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51545343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51545341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14721 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (4694976).

Almost surely, 2^51545343 is an apocalyptic number.

51545343 is a deficient number, since it is larger than the sum of its proper divisors (23574273).

51545343 is a wasteful number, since it uses less digits than its factorization.

51545343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32654.

The product of its digits is 18000, while the sum is 30.

The square root of 51545343 is about 7179.5085486404. The cubic root of 51545343 is about 372.1601013366.

Adding to 51545343 its reverse (34354515), we get a palindrome (85899858).

The spelling of 51545343 in words is "fifty-one million, five hundred forty-five thousand, three hundred forty-three".