552117636 has 72 divisors (see below), whose sum is σ = 1688843520. Its totient is φ = 148467456.

The previous prime is 552117623. The next prime is 552117647. The reversal of 552117636 is 636711255.

552117636 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 17 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 552117636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60156 + ... + 68723.

It is an arithmetic number, because the mean of its divisors is an integer number (23456160).

Almost surely, 2^552117636 is an apocalyptic number.

It is an amenable number.

552117636 is an abundant number, since it is smaller than the sum of its proper divisors (1136725884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552117636 is a wasteful number, since it uses less digits than its factorization.

552117636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128913 (or 128908 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 552117636 is about 23497.1835759097. The cubic root of 552117636 is about 820.3714537592.

The spelling of 552117636 in words is "five hundred fifty-two million, one hundred seventeen thousand, six hundred thirty-six".