51347403 has 12 divisors (see below), whose sum is σ = 74585160. Its totient is φ = 34039296.

The previous prime is 51347389. The next prime is 51347419. The reversal of 51347403 is 30474315.

It is not a de Polignac number, because 51347403 - 2⁸ = 51347147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51347003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14326 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (6215430).

Almost surely, 2^51347403 is an apocalyptic number.

51347403 is a deficient number, since it is larger than the sum of its proper divisors (23237757).

51347403 is a wasteful number, since it uses less digits than its factorization.

51347403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32058 (or 32055 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 51347403 is about 7165.7102229995. The cubic root of 51347403 is about 371.6831111611.

The spelling of 51347403 in words is "fifty-one million, three hundred forty-seven thousand, four hundred three".