51304002 has 8 divisors (see below), whose sum is σ = 102608016. Its totient is φ = 17101332.

The previous prime is 51303983. The next prime is 51304003. The reversal of 51304002 is 20040315.

It is a sphenic number, since it is the product of 3 distinct primes.

51304002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51304003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275328 + ... + 4275339.

It is an arithmetic number, because the mean of its divisors is an integer number (12826002).

Almost surely, 2^51304002 is an apocalyptic number.

51304002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51304002 is a wasteful number, since it uses less digits than its factorization.

51304002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550672.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 51304002 is about 7162.6812018964. The cubic root of 51304002 is about 371.5783608726.

Adding to 51304002 its reverse (20040315), we get a palindrome (71344317).

The spelling of 51304002 in words is "fifty-one million, three hundred four thousand, two".