552640553 has 4 divisors (see below), whose sum is σ = 556349700. Its totient is φ = 548931408.

The previous prime is 552640537. The next prime is 552640609. The reversal of 552640553 is 355046255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61042969 + 491597584 = 7813^2 + 22172^2 .

It is a cyclic number.

It is not a de Polignac number, because 552640553 - 2⁴ = 552640537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552640853) 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, 1854350 + ... + 1854647.

It is an arithmetic number, because the mean of its divisors is an integer number (139087425).

Almost surely, 2^552640553 is an apocalyptic number.

It is an amenable number.

552640553 is a deficient number, since it is larger than the sum of its proper divisors (3709147).

552640553 is a wasteful number, since it uses less digits than its factorization.

552640553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709146.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 552640553 is about 23508.3081696663. The cubic root of 552640553 is about 820.6303664680.

The spelling of 552640553 in words is "five hundred fifty-two million, six hundred forty thousand, five hundred fifty-three".