51004334 has 4 divisors (see below), whose sum is σ = 76506504. Its totient is φ = 25502166.

The previous prime is 51004333. The next prime is 51004351. The reversal of 51004334 is 43340015.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51004333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751082 + ... + 12751085.

It is an arithmetic number, because the mean of its divisors is an integer number (19126626).

Almost surely, 2^51004334 is an apocalyptic number.

51004334 is a deficient number, since it is larger than the sum of its proper divisors (25502170).

51004334 is a wasteful number, since it uses less digits than its factorization.

51004334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25502169.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 51004334 is about 7141.7318627907. The cubic root of 51004334 is about 370.8534814229.

Adding to 51004334 its reverse (43340015), we get a palindrome (94344349).

The spelling of 51004334 in words is "fifty-one million, four thousand, three hundred thirty-four".