552701781 has 12 divisors (see below), whose sum is σ = 802760140. Its totient is φ = 366431040.

The previous prime is 552701777. The next prime is 552701797. The reversal of 552701781 is 187107255.

552701781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56927025 + 495774756 = 7545^2 + 22266^2 .

It is not a de Polignac number, because 552701781 - 2² = 552701777 is a prime.

It is a super-2 number, since 2×552701781² = 610958517441143922, 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 (552701711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168016 + ... + 171273.

Almost surely, 2^552701781 is an apocalyptic number.

It is an amenable number.

552701781 is a deficient number, since it is larger than the sum of its proper divisors (250058359).

552701781 is a wasteful number, since it uses less digits than its factorization.

552701781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339476 (or 339473 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 552701781 is about 23509.6103966016. The cubic root of 552701781 is about 820.6606717001.

The spelling of 552701781 in words is "five hundred fifty-two million, seven hundred one thousand, seven hundred eighty-one".