51480302 has 16 divisors (see below), whose sum is σ = 81056160. Its totient is φ = 24474912.

The previous prime is 51480293. The next prime is 51480311. The reversal of 51480302 is 20308415.

51480302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51480293) and next prime (51480311).

It is a super-2 number, since 2×51480302² = 5300442988022408, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4724 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (5066010).

Almost surely, 2^51480302 is an apocalyptic number.

51480302 is a deficient number, since it is larger than the sum of its proper divisors (29575858).

51480302 is a wasteful number, since it uses less digits than its factorization.

51480302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51480302 is about 7174.9774912539. The cubic root of 51480302 is about 372.0035022987.

Adding to 51480302 its reverse (20308415), we get a palindrome (71788717).

The spelling of 51480302 in words is "fifty-one million, four hundred eighty thousand, three hundred two".