552381861 has 8 divisors (see below), whose sum is σ = 736654720. Its totient is φ = 368181792.

The previous prime is 552381859. The next prime is 552381871. The reversal of 552381861 is 168183255.

552381861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 552381861 - 2¹ = 552381859 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 (552381871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 33378.

It is an arithmetic number, because the mean of its divisors is an integer number (92081840).

Almost surely, 2^552381861 is an apocalyptic number.

It is an amenable number.

552381861 is a deficient number, since it is larger than the sum of its proper divisors (184272859).

552381861 is a wasteful number, since it uses less digits than its factorization.

552381861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36395.

The product of its digits is 57600, while the sum is 39.

The square root of 552381861 is about 23502.8053857407. The cubic root of 552381861 is about 820.5023003180.

The spelling of 552381861 in words is "five hundred fifty-two million, three hundred eighty-one thousand, eight hundred sixty-one".