51200163 has 12 divisors (see below), whose sum is σ = 84521008. Its totient is φ = 29257200.

The previous prime is 51200153. The next prime is 51200183. The reversal of 51200163 is 36100215.

It is not a de Polignac number, because 51200163 - 2⁴ = 51200147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51200153) 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, 406288 + ... + 406413.

Almost surely, 2^51200163 is an apocalyptic number.

51200163 is a deficient number, since it is larger than the sum of its proper divisors (33320845).

51200163 is a wasteful number, since it uses less digits than its factorization.

51200163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812714 (or 812711 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51200163 is about 7155.4289179615. The cubic root of 51200163 is about 371.3275007402.

Adding to 51200163 its reverse (36100215), we get a palindrome (87300378).

The spelling of 51200163 in words is "fifty-one million, two hundred thousand, one hundred sixty-three".