52455550361 has 4 divisors (see below), whose sum is σ = 52457613924. Its totient is φ = 52453486800.

The previous prime is 52455550307. The next prime is 52455550397. The reversal of 52455550361 is 16305555425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21772773136 + 30682777225 = 147556^2 + 175165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52455550361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52455550561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993170 + ... + 1044651.

It is an arithmetic number, because the mean of its divisors is an integer number (13114403481).

Almost surely, 2^52455550361 is an apocalyptic number.

It is an amenable number.

52455550361 is a deficient number, since it is larger than the sum of its proper divisors (2063563).

52455550361 is a wasteful number, since it uses less digits than its factorization.

52455550361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063562.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 52455550361 in words is "fifty-two billion, four hundred fifty-five million, five hundred fifty thousand, three hundred sixty-one".