51224304 has 40 divisors (see below), whose sum is σ = 139296640. Its totient is φ = 16175808.

The previous prime is 51224279. The next prime is 51224359. The reversal of 51224304 is 40342215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27172 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (3482416).

Almost surely, 2^51224304 is an apocalyptic number.

It is an amenable number.

51224304 is an abundant number, since it is smaller than the sum of its proper divisors (88072336).

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

51224304 is a wasteful number, since it uses less digits than its factorization.

51224304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56197 (or 56191 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 51224304 is about 7157.1156201364. The cubic root of 51224304 is about 371.3858521734.

Adding to 51224304 its reverse (40342215), we get a palindrome (91566519).

The spelling of 51224304 in words is "fifty-one million, two hundred twenty-four thousand, three hundred four".