553576642 has 4 divisors (see below), whose sum is σ = 830364966. Its totient is φ = 276788320.

The previous prime is 553576633. The next prime is 553576643. The reversal of 553576642 is 246675355.

553576642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 549855601 + 3721041 = 23449^2 + 1929^2 .

It is not an unprimeable number, because it can be changed into a prime (553576643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138394159 + ... + 138394162.

Almost surely, 2^553576642 is an apocalyptic number.

553576642 is a deficient number, since it is larger than the sum of its proper divisors (276788324).

553576642 is a wasteful number, since it uses less digits than its factorization.

553576642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276788323.

The product of its digits is 756000, while the sum is 43.

The square root of 553576642 is about 23528.2094941370. The cubic root of 553576642 is about 821.0934460920.

The spelling of 553576642 in words is "five hundred fifty-three million, five hundred seventy-six thousand, six hundred forty-two".