52812055459 has 4 divisors (see below), whose sum is σ = 52823157520. Its totient is φ = 52800953400.

The previous prime is 52812055447. The next prime is 52812055463. The reversal of 52812055459 is 95455021825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52812055459 - 2²¹ = 52809958307 is a prime.

It is a super-2 number, since 2×52812055459² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52812055489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5543892 + ... + 5553409.

It is an arithmetic number, because the mean of its divisors is an integer number (13205789380).

Almost surely, 2^52812055459 is an apocalyptic number.

52812055459 is a deficient number, since it is larger than the sum of its proper divisors (11102061).

52812055459 is a wasteful number, since it uses less digits than its factorization.

52812055459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102060.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 52812055459 in words is "fifty-two billion, eight hundred twelve million, fifty-five thousand, four hundred fifty-nine".