553566242 has 4 divisors (see below), whose sum is σ = 830349366. Its totient is φ = 276783120.

The previous prime is 553566179. The next prime is 553566253. The reversal of 553566242 is 242665355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242665355 = 5 ⋅48533071.

It can be written as a sum of positive squares in only one way, i.e., 542470681 + 11095561 = 23291^2 + 3331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 553566196 and 553566205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138391559 + ... + 138391562.

Almost surely, 2^553566242 is an apocalyptic number.

553566242 is a deficient number, since it is larger than the sum of its proper divisors (276783124).

553566242 is a wasteful number, since it uses less digits than its factorization.

553566242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276783123.

The product of its digits is 216000, while the sum is 38.

The square root of 553566242 is about 23527.9884818061. The cubic root of 553566242 is about 821.0883041209.

The spelling of 553566242 in words is "five hundred fifty-three million, five hundred sixty-six thousand, two hundred forty-two".