51805480062 has 16 divisors (see below), whose sum is σ = 118412525952. Its totient is φ = 14801565720.

The previous prime is 51805480061. The next prime is 51805480063. The reversal of 51805480062 is 26008450815.

It is an interprime number because it is at equal distance from previous prime (51805480061) and next prime (51805480063).

It is a self number, because there is not a number n which added to its sum of digits gives 51805480062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51805480061) 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, 616731864 + ... + 616731947.

It is an arithmetic number, because the mean of its divisors is an integer number (7400782872).

Almost surely, 2^51805480062 is an apocalyptic number.

51805480062 is an abundant number, since it is smaller than the sum of its proper divisors (66607045890).

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

51805480062 is a wasteful number, since it uses less digits than its factorization.

51805480062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233463823.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 51805480062 in words is "fifty-one billion, eight hundred five million, four hundred eighty thousand, sixty-two".