51134464 has 30 divisors (see below), whose sum is σ = 102298574. Its totient is φ = 25559040.

The previous prime is 51134459. The next prime is 51134483. The reversal of 51134464 is 46443115.

It can be written as a sum of positive squares in only one way, i.e., 26214400 + 24920064 = 5120^2 + 4992^2 .

It is a super-2 number, since 2×51134464² = 5229466817134592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14824 + ... + 17944.

Almost surely, 2^51134464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51134464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51149287).

51134464 is an abundant number, since it is smaller than the sum of its proper divisors (51164110).

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

51134464 is an frugal number, since it uses more digits than its factorization.

51134464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3123 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 51134464 is about 7150.8365944133. The cubic root of 51134464 is about 371.1686061440.

Adding to 51134464 its reverse (46443115), we get a palindrome (97577579).

The spelling of 51134464 in words is "fifty-one million, one hundred thirty-four thousand, four hundred sixty-four".