552941621 has 8 divisors (see below), whose sum is σ = 566987904. Its totient is φ = 538922080.

The previous prime is 552941611. The next prime is 552941647. The reversal of 552941621 is 126149255.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552941621 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 (552941611) 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, 39110 + ... + 51336.

It is an arithmetic number, because the mean of its divisors is an integer number (70873488).

Almost surely, 2^552941621 is an apocalyptic number.

It is an amenable number.

552941621 is a deficient number, since it is larger than the sum of its proper divisors (14046283).

552941621 is a wasteful number, since it uses less digits than its factorization.

552941621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13371.

The product of its digits is 21600, while the sum is 35.

The square root of 552941621 is about 23514.7107360478. The cubic root of 552941621 is about 820.7793606559.

The spelling of 552941621 in words is "five hundred fifty-two million, nine hundred forty-one thousand, six hundred twenty-one".