51348414736 has 60 divisors (see below), whose sum is σ = 105072215052. Its totient is φ = 24306054912.

The previous prime is 51348414731. The next prime is 51348414737. The reversal of 51348414736 is 63741484315.

It can be written as a sum of positive squares in 2 ways, for example, as 13966512400 + 37381902336 = 118180^2 + 193344^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51348414731) 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, 13242430 + ... + 13246306.

Almost surely, 2^51348414736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51348414736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52536107526).

51348414736 is an abundant number, since it is smaller than the sum of its proper divisors (53723800316).

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

51348414736 is a wasteful number, since it uses less digits than its factorization.

51348414736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216 (or 6191 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 51348414736 in words is "fifty-one billion, three hundred forty-eight million, four hundred fourteen thousand, seven hundred thirty-six".