3552653621 has 8 divisors (see below), whose sum is σ = 3924681600. Its totient is φ = 3188802240.

The previous prime is 3552653617. The next prime is 3552653639. The reversal of 3552653621 is 1263562553.

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 3552653621 - 2² = 3552653617 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 (3552653641) 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, 2043236 + ... + 2044973.

It is an arithmetic number, because the mean of its divisors is an integer number (490585200).

Almost surely, 2^3552653621 is an apocalyptic number.

It is an amenable number.

3552653621 is a deficient number, since it is larger than the sum of its proper divisors (372027979).

3552653621 is a wasteful number, since it uses less digits than its factorization.

3552653621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088299.

The product of its digits is 162000, while the sum is 38.

The square root of 3552653621 is about 59604.1409719157. The cubic root of 3552653621 is about 1525.8703079919.

The spelling of 3552653621 in words is "three billion, five hundred fifty-two million, six hundred fifty-three thousand, six hundred twenty-one".