552111685591 has 4 divisors (see below), whose sum is σ = 552113269632. Its totient is φ = 552110101552.

The previous prime is 552111685583. The next prime is 552111685667. The reversal of 552111685591 is 195586111255.

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 552111685591 - 2³ = 552111685583 is a prime.

It is a super-2 number, since 2×552111685591² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552111685571) 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, 15286 + ... + 1050931.

It is an arithmetic number, because the mean of its divisors is an integer number (138028317408).

Almost surely, 2^552111685591 is an apocalyptic number.

552111685591 is a deficient number, since it is larger than the sum of its proper divisors (1584041).

552111685591 is a wasteful number, since it uses less digits than its factorization.

552111685591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584040.

The product of its digits is 540000, while the sum is 49.

The spelling of 552111685591 in words is "five hundred fifty-two billion, one hundred eleven million, six hundred eighty-five thousand, five hundred ninety-one".