553212442 has 4 divisors (see below), whose sum is σ = 829818666. Its totient is φ = 276606220.

The previous prime is 553212427. The next prime is 553212449. The reversal of 553212442 is 244212355.

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., 348979761 + 204232681 = 18681^2 + 14291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 553212442.

It is not an unprimeable number, because it can be changed into a prime (553212449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138303109 + ... + 138303112.

Almost surely, 2^553212442 is an apocalyptic number.

553212442 is a deficient number, since it is larger than the sum of its proper divisors (276606224).

553212442 is a wasteful number, since it uses less digits than its factorization.

553212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276606223.

The product of its digits is 9600, while the sum is 28.

The square root of 553212442 is about 23520.4685752644. The cubic root of 553212442 is about 820.9133398431.

Adding to 553212442 its reverse (244212355), we get a palindrome (797424797).

The spelling of 553212442 in words is "five hundred fifty-three million, two hundred twelve thousand, four hundred forty-two".