5557567281601 has 4 divisors (see below), whose sum is σ = 5624525923632. Its totient is φ = 5490608639572.

The previous prime is 5557567281593. The next prime is 5557567281611. The reversal of 5557567281601 is 1061827657555.

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 5557567281601 - 2³ = 5557567281593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5557567281611) 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, 33479320891 + ... + 33479321056.

It is an arithmetic number, because the mean of its divisors is an integer number (1406131480908).

Almost surely, 2^{5557567281601} is an apocalyptic number.

It is an amenable number.

5557567281601 is a deficient number, since it is larger than the sum of its proper divisors (66958642031).

5557567281601 is an equidigital number, since it uses as much as digits as its factorization.

5557567281601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66958642030.

The product of its (nonzero) digits is 17640000, while the sum is 58.

The spelling of 5557567281601 in words is "five trillion, five hundred fifty-seven billion, five hundred sixty-seven million, two hundred eighty-one thousand, six hundred one".