552483781 has 4 divisors (see below), whose sum is σ = 557373132. Its totient is φ = 547594432.

The previous prime is 552483779. The next prime is 552483793. The reversal of 552483781 is 187384255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 187384255 = 5 ⋅37476851.

It can be written as a sum of positive squares in 2 ways, for example, as 275261281 + 277222500 = 16591^2 + 16650^2 .

It is a cyclic number.

It is not a de Polignac number, because 552483781 - 2¹ = 552483779 is a prime.

It is a super-2 number, since 2×552483781² = 610476656536111922, 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 (552483721) 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, 2444506 + ... + 2444731.

It is an arithmetic number, because the mean of its divisors is an integer number (139343283).

Almost surely, 2^552483781 is an apocalyptic number.

It is an amenable number.

552483781 is a deficient number, since it is larger than the sum of its proper divisors (4889351).

552483781 is a wasteful number, since it uses less digits than its factorization.

552483781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889350.

The product of its digits is 268800, while the sum is 43.

The square root of 552483781 is about 23504.9735375303. The cubic root of 552483781 is about 820.5527608524.

The spelling of 552483781 in words is "five hundred fifty-two million, four hundred eighty-three thousand, seven hundred eighty-one".