52122451782 has 16 divisors (see below), whose sum is σ = 104519960640. Its totient is φ = 17328307752.

The previous prime is 52122451739. The next prime is 52122451783. The reversal of 52122451782 is 28715422125.

It is a self number, because there is not a number n which added to its sum of digits gives 52122451782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122451783) 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, 11458248 + ... + 11462795.

It is an arithmetic number, because the mean of its divisors is an integer number (6532497540).

Almost surely, 2^52122451782 is an apocalyptic number.

52122451782 is an abundant number, since it is smaller than the sum of its proper divisors (52397508858).

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

52122451782 is a wasteful number, since it uses less digits than its factorization.

52122451782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22921427.

The product of its digits is 89600, while the sum is 39.

The spelling of 52122451782 in words is "fifty-two billion, one hundred twenty-two million, four hundred fifty-one thousand, seven hundred eighty-two".