51434484 has 24 divisors (see below), whose sum is σ = 121117920. Its totient is φ = 16987104.

The previous prime is 51434479. The next prime is 51434491. The reversal of 51434484 is 48443415.

51434484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51434484² = 5291012288692512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18354 + ... + 20969.

It is an arithmetic number, because the mean of its divisors is an integer number (5046580).

Almost surely, 2^51434484 is an apocalyptic number.

It is an amenable number.

51434484 is an abundant number, since it is smaller than the sum of its proper divisors (69683436).

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

51434484 is a wasteful number, since it uses less digits than its factorization.

51434484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39439 (or 39437 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 51434484 is about 7171.7838785061. The cubic root of 51434484 is about 371.8931072227.

Adding to 51434484 its reverse (48443415), we get a palindrome (99877899).

The spelling of 51434484 in words is "fifty-one million, four hundred thirty-four thousand, four hundred eighty-four".