51434264 has 16 divisors (see below), whose sum is σ = 110216400. Its totient is φ = 22043232.

The previous prime is 51434263. The next prime is 51434287. The reversal of 51434264 is 46243415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51434261) 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, 459179 + ... + 459290.

It is an arithmetic number, because the mean of its divisors is an integer number (6888525).

Almost surely, 2^51434264 is an apocalyptic number.

It is an amenable number.

51434264 is an abundant number, since it is smaller than the sum of its proper divisors (58782136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51434264 is a wasteful number, since it uses less digits than its factorization.

51434264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918482 (or 918478 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 51434264 is about 7171.7685406042. The cubic root of 51434264 is about 371.8925769909.

Adding to 51434264 its reverse (46243415), we get a palindrome (97677679).

The spelling of 51434264 in words is "fifty-one million, four hundred thirty-four thousand, two hundred sixty-four".