553231001 has 4 divisors (see below), whose sum is σ = 553387572. Its totient is φ = 553074432.

The previous prime is 553230967. The next prime is 553231027. The reversal of 553231001 is 100132355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100132355 = 5 ⋅20026471.

It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 520752400 = 5699^2 + 22820^2 .

It is a cyclic number.

It is not a de Polignac number, because 553231001 - 2¹⁴ = 553214617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553231801) 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, 72860 + ... + 80093.

It is an arithmetic number, because the mean of its divisors is an integer number (138346893).

Almost surely, 2^553231001 is an apocalyptic number.

It is an amenable number.

553231001 is a deficient number, since it is larger than the sum of its proper divisors (156571).

553231001 is a wasteful number, since it uses less digits than its factorization.

553231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156570.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 553231001 is about 23520.8631006602. The cubic root of 553231001 is about 820.9225196561.

Adding to 553231001 its reverse (100132355), we get a palindrome (653363356).

The spelling of 553231001 in words is "five hundred fifty-three million, two hundred thirty-one thousand, one".