51415304 has 16 divisors (see below), whose sum is σ = 100595520. Its totient is φ = 24589840.

The previous prime is 51415291. The next prime is 51415307. The reversal of 51415304 is 40351415.

It is a super-3 number, since 3×51415304³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 51415304.

It is not an unprimeable number, because it can be changed into a prime (51415307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139532 + ... + 139899.

It is an arithmetic number, because the mean of its divisors is an integer number (6287220).

Almost surely, 2^51415304 is an apocalyptic number.

It is an amenable number.

51415304 is a deficient number, since it is larger than the sum of its proper divisors (49180216).

51415304 is a wasteful number, since it uses less digits than its factorization.

51415304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279460 (or 279456 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51415304 is about 7170.4465690778. The cubic root of 51415304 is about 371.8468749673.

Adding to 51415304 its reverse (40351415), we get a palindrome (91766719).

The spelling of 51415304 in words is "fifty-one million, four hundred fifteen thousand, three hundred four".