553142431 has 4 divisors (see below), whose sum is σ = 554463000. Its totient is φ = 551821864.

The previous prime is 553142417. The next prime is 553142453. The reversal of 553142431 is 134241355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553142431 is a prime.

It is a super-2 number, since 2×553142431² = 611933097945179522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553142431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553142731) 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, 659656 + ... + 660493.

It is an arithmetic number, because the mean of its divisors is an integer number (138615750).

Almost surely, 2^553142431 is an apocalyptic number.

553142431 is a deficient number, since it is larger than the sum of its proper divisors (1320569).

553142431 is a wasteful number, since it uses less digits than its factorization.

553142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320568.

The product of its digits is 7200, while the sum is 28.

The square root of 553142431 is about 23518.9802287429. The cubic root of 553142431 is about 820.8787085489.

Adding to 553142431 its reverse (134241355), we get a palindrome (687383786).

The spelling of 553142431 in words is "five hundred fifty-three million, one hundred forty-two thousand, four hundred thirty-one".