51383637414 has 48 divisors (see below), whose sum is σ = 119435818320. Its totient is φ = 16537258080.

The previous prime is 51383637401. The next prime is 51383637467. The reversal of 51383637414 is 41473638315.

51383637414 is a `hidden beast` number, since 5 + 1 + 3 + 8 + 3 + 637 + 4 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51383637414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1808797 + ... + 1836984.

It is an arithmetic number, because the mean of its divisors is an integer number (2488246215).

Almost surely, 2^51383637414 is an apocalyptic number.

51383637414 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51383637414 is an abundant number, since it is smaller than the sum of its proper divisors (68052180906).

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

51383637414 is a wasteful number, since it uses less digits than its factorization.

51383637414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645827 (or 3645815 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

Subtracting from 51383637414 its reverse (41473638315), we obtain a palindrome (9909999099).

The spelling of 51383637414 in words is "fifty-one billion, three hundred eighty-three million, six hundred thirty-seven thousand, four hundred fourteen".