553552231 has 4 divisors (see below), whose sum is σ = 556034752. Its totient is φ = 551069712.

The previous prime is 553552217. The next prime is 553552253. The reversal of 553552231 is 132255355.

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 553552231 - 2²⁹ = 16681319 is a prime.

It is a super-2 number, since 2×553552231² = 612840144890154722, 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 = 553552193 and 553552202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553552291) 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, 1240926 + ... + 1241371.

It is an arithmetic number, because the mean of its divisors is an integer number (139008688).

Almost surely, 2^553552231 is an apocalyptic number.

553552231 is a deficient number, since it is larger than the sum of its proper divisors (2482521).

553552231 is a wasteful number, since it uses less digits than its factorization.

553552231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482520.

The product of its digits is 22500, while the sum is 31.

The square root of 553552231 is about 23527.6907281611. The cubic root of 553552231 is about 821.0813766962.

The spelling of 553552231 in words is "five hundred fifty-three million, five hundred fifty-two thousand, two hundred thirty-one".