51045824 has 14 divisors (see below), whose sum is σ = 101294184. Its totient is φ = 25522880.

The previous prime is 51045821. The next prime is 51045847. The reversal of 51045824 is 42854015.

It is a super-2 number, since 2×51045824² = 5211352295677952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398732 + ... + 398859.

Almost surely, 2^51045824 is an apocalyptic number.

It is an amenable number.

51045824 is a deficient number, since it is larger than the sum of its proper divisors (50248360).

51045824 is an equidigital number, since it uses as much as digits as its factorization.

51045824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797603 (or 797593 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 51045824 is about 7144.6360299178. The cubic root of 51045824 is about 370.9540123613.

Adding to 51045824 its reverse (42854015), we get a palindrome (93899839).

The spelling of 51045824 in words is "fifty-one million, forty-five thousand, eight hundred twenty-four".