51450200103 has 16 divisors (see below), whose sum is σ = 72707353056. Its totient is φ = 32250577920.

The previous prime is 51450200071. The next prime is 51450200119. The reversal of 51450200103 is 30100205415.

It is not a de Polignac number, because 51450200103 - 2⁵ = 51450200071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51450200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51450200003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446278 + ... + 549603.

It is an arithmetic number, because the mean of its divisors is an integer number (4544209566).

Almost surely, 2^51450200103 is an apocalyptic number.

51450200103 is a deficient number, since it is larger than the sum of its proper divisors (21257152953).

51450200103 is a wasteful number, since it uses less digits than its factorization.

51450200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996914.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 51450200103 its reverse (30100205415), we get a palindrome (81550405518).

The spelling of 51450200103 in words is "fifty-one billion, four hundred fifty million, two hundred thousand, one hundred three".