552562861 has 4 divisors (see below), whose sum is σ = 553289724. Its totient is φ = 551836000.

The previous prime is 552562841. The next prime is 552562919. The reversal of 552562861 is 168265255.

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 6405961 + 546156900 = 2531^2 + 23370^2 .

It is a cyclic number.

It is not a de Polignac number, because 552562861 - 2⁷ = 552562733 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 (552562811) 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, 362290 + ... + 363811.

It is an arithmetic number, because the mean of its divisors is an integer number (138322431).

Almost surely, 2^552562861 is an apocalyptic number.

It is an amenable number.

552562861 is a deficient number, since it is larger than the sum of its proper divisors (726863).

552562861 is an equidigital number, since it uses as much as digits as its factorization.

552562861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726862.

The product of its digits is 144000, while the sum is 40.

The square root of 552562861 is about 23506.6556745106. The cubic root of 552562861 is about 820.5919090403.

It can be divided in two parts, 5525 and 62861, that added together give a palindrome (68386).

The spelling of 552562861 in words is "five hundred fifty-two million, five hundred sixty-two thousand, eight hundred sixty-one".