552055781 has 8 divisors (see below), whose sum is σ = 570280704. Its totient is φ = 533856960.

The previous prime is 552055759. The next prime is 552055783. The reversal of 552055781 is 187550255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552055781 is a prime.

It is a super-2 number, since 2×552055781² = 609531170671039922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552055783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42410 + ... + 53876.

It is an arithmetic number, because the mean of its divisors is an integer number (71285088).

Almost surely, 2^552055781 is an apocalyptic number.

It is an amenable number.

552055781 is a deficient number, since it is larger than the sum of its proper divisors (18224923).

552055781 is a wasteful number, since it uses less digits than its factorization.

552055781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 552055781 is about 23495.8673174667. The cubic root of 552055781 is about 820.3408165858.

The spelling of 552055781 in words is "five hundred fifty-two million, fifty-five thousand, seven hundred eighty-one".