5855567881 has 2 divisors, whose sum is σ = 5855567882. Its totient is φ = 5855567880.

The previous prime is 5855567759. The next prime is 5855567911. The reversal of 5855567881 is 1887655585.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5340686400 + 514881481 = 73080^2 + 22691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5855567881 - 2¹⁵ = 5855535113 is a prime.

It is a super-2 number, since 2×5855567881² = 68575350417997660322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5855567981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2927783940 + 2927783941.

It is an arithmetic number, because the mean of its divisors is an integer number (2927783941).

Almost surely, 2^5855567881 is an apocalyptic number.

It is an amenable number.

5855567881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5855567881 is an equidigital number, since it uses as much as digits as its factorization.

5855567881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440000, while the sum is 58.

The square root of 5855567881 is about 76521.6824240032. The cubic root of 5855567881 is about 1802.4214202789.

The spelling of 5855567881 in words is "five billion, eight hundred fifty-five million, five hundred sixty-seven thousand, eight hundred eighty-one".