51434043 has 4 divisors (see below), whose sum is σ = 68578728. Its totient is φ = 34289360.

The previous prime is 51433999. The next prime is 51434057. The reversal of 51434043 is 34043415.

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 51434043 - 2⁸ = 51433787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51434093) 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, 8572338 + ... + 8572343.

It is an arithmetic number, because the mean of its divisors is an integer number (17144682).

Almost surely, 2^51434043 is an apocalyptic number.

51434043 is a deficient number, since it is larger than the sum of its proper divisors (17144685).

51434043 is a wasteful number, since it uses less digits than its factorization.

51434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144684.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 51434043 is about 7171.7531329515. The cubic root of 51434043 is about 371.8920443474.

Adding to 51434043 its reverse (34043415), we get a palindrome (85477458).

The spelling of 51434043 in words is "fifty-one million, four hundred thirty-four thousand, forty-three".