553422021 has 16 divisors (see below), whose sum is σ = 770703360. Its totient is φ = 352574640.

The previous prime is 553422011. The next prime is 553422031. The reversal of 553422021 is 120224355.

It is an interprime number because it is at equal distance from previous prime (553422011) and next prime (553422031).

It is not a de Polignac number, because 553422021 - 2⁵ = 553421989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553421982 and 553422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553422011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85116 + ... + 91386.

It is an arithmetic number, because the mean of its divisors is an integer number (48168960).

Almost surely, 2^553422021 is an apocalyptic number.

It is an amenable number.

553422021 is a deficient number, since it is larger than the sum of its proper divisors (217281339).

553422021 is a wasteful number, since it uses less digits than its factorization.

553422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 553422021 is about 23524.9234005129. The cubic root of 553422021 is about 821.0169916909.

Adding to 553422021 its reverse (120224355), we get a palindrome (673646376).

The spelling of 553422021 in words is "five hundred fifty-three million, four hundred twenty-two thousand, twenty-one".