51482685620 has 24 divisors (see below), whose sum is σ = 108839241000. Its totient is φ = 20454864512.

The previous prime is 51482685601. The next prime is 51482685623. The reversal of 51482685620 is 2658628415.

It can be written as a sum of positive squares in 4 ways, for example, as 1179372964 + 50303312656 = 34342^2 + 224284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51482685623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8635055 + ... + 8641014.

It is an arithmetic number, because the mean of its divisors is an integer number (4534968375).

Almost surely, 2^51482685620 is an apocalyptic number.

It is an amenable number.

51482685620 is an abundant number, since it is smaller than the sum of its proper divisors (57356555380).

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

51482685620 is a wasteful number, since it uses less digits than its factorization.

51482685620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17276227 (or 17276225 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 51482685620 in words is "fifty-one billion, four hundred eighty-two million, six hundred eighty-five thousand, six hundred twenty".