52558221277 has 4 divisors (see below), whose sum is σ = 52717007776. Its totient is φ = 52399434780.

The previous prime is 52558221271. The next prime is 52558221307. The reversal of 52558221277 is 77212285525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52558221277 - 2¹¹ = 52558219229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52558221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79392753 + ... + 79393414.

It is an arithmetic number, because the mean of its divisors is an integer number (13179251944).

Almost surely, 2^52558221277 is an apocalyptic number.

It is an amenable number.

52558221277 is a deficient number, since it is larger than the sum of its proper divisors (158786499).

52558221277 is a wasteful number, since it uses less digits than its factorization.

52558221277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158786498.

The product of its digits is 784000, while the sum is 46.

The spelling of 52558221277 in words is "fifty-two billion, five hundred fifty-eight million, two hundred twenty-one thousand, two hundred seventy-seven".