51402304 has 28 divisors (see below), whose sum is σ = 102796848. Its totient is φ = 25500800.

The previous prime is 51402289. The next prime is 51402311. The reversal of 51402304 is 40320415.

It is a super-3 number, since 3×51402304³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319 + ... + 11449.

It is an arithmetic number, because the mean of its divisors is an integer number (3671316).

Almost surely, 2^51402304 is an apocalyptic number.

It is an amenable number.

51402304 is a deficient number, since it is larger than the sum of its proper divisors (51394544).

51402304 is a wasteful number, since it uses less digits than its factorization.

51402304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6264 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51402304 is about 7169.5400131389. The cubic root of 51402304 is about 371.8155326984.

Adding to 51402304 its reverse (40320415), we get a palindrome (91722719).

The spelling of 51402304 in words is "fifty-one million, four hundred two thousand, three hundred four".