553426021 has 8 divisors (see below), whose sum is σ = 555927840. Its totient is φ = 550930512.

The previous prime is 553426019. The next prime is 553426037. The reversal of 553426021 is 120624355.

553426021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553426021 - 2¹ = 553426019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553426061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264646 + ... + 266728.

It is an arithmetic number, because the mean of its divisors is an integer number (69490980).

Almost surely, 2^553426021 is an apocalyptic number.

It is an amenable number.

553426021 is a deficient number, since it is larger than the sum of its proper divisors (2501819).

553426021 is a wasteful number, since it uses less digits than its factorization.

553426021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

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

The square root of 553426021 is about 23525.0084165766. The cubic root of 553426021 is about 821.0189697232.

The spelling of 553426021 in words is "five hundred fifty-three million, four hundred twenty-six thousand, twenty-one".