554243231 has 4 divisors (see below), whose sum is σ = 586845792. Its totient is φ = 521640672.

The previous prime is 554243171. The next prime is 554243233. The reversal of 554243231 is 132342455.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 554243231 - 2¹⁴ = 554226847 is a prime.

It is a super-2 number, since 2×554243231² = 614371118218638722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554243194 and 554243203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554243233) 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, 16301255 + ... + 16301288.

It is an arithmetic number, because the mean of its divisors is an integer number (146711448).

Almost surely, 2^554243231 is an apocalyptic number.

554243231 is a deficient number, since it is larger than the sum of its proper divisors (32602561).

554243231 is a wasteful number, since it uses less digits than its factorization.

554243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32602560.

The product of its digits is 14400, while the sum is 29.

The square root of 554243231 is about 23542.3709723554. The cubic root of 554243231 is about 821.4228869647.

Adding to 554243231 its reverse (132342455), we get a palindrome (686585686).

The spelling of 554243231 in words is "five hundred fifty-four million, two hundred forty-three thousand, two hundred thirty-one".