552781642 has 12 divisors (see below), whose sum is σ = 964547730. Its totient is φ = 236906376.

The previous prime is 552781633. The next prime is 552781643. The reversal of 552781642 is 246187255.

It can be written as a sum of positive squares in only one way, i.e., 276856321 + 275925321 = 16639^2 + 16611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 552781595 and 552781604.

It is not an unprimeable number, because it can be changed into a prime (552781643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2820217 + ... + 2820412.

Almost surely, 2^552781642 is an apocalyptic number.

552781642 is a deficient number, since it is larger than the sum of its proper divisors (411766088).

552781642 is a wasteful number, since it uses less digits than its factorization.

552781642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640645 (or 5640638 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 552781642 is about 23511.3088108680. The cubic root of 552781642 is about 820.7001961041.

The spelling of 552781642 in words is "five hundred fifty-two million, seven hundred eighty-one thousand, six hundred forty-two".