5554603621 has 16 divisors (see below), whose sum is σ = 6686310400. Its totient is φ = 4507751088.

The previous prime is 5554603597. The next prime is 5554603627. The reversal of 5554603621 is 1263064555.

It is a cyclic number.

It is not a de Polignac number, because 5554603621 - 2⁵ = 5554603589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5554603627) 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, 222076 + ... + 245818.

It is an arithmetic number, because the mean of its divisors is an integer number (417894400).

Almost surely, 2^5554603621 is an apocalyptic number.

It is an amenable number.

5554603621 is a deficient number, since it is larger than the sum of its proper divisors (1131706779).

5554603621 is a wasteful number, since it uses less digits than its factorization.

5554603621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 5554603621 is about 74529.2132052929. The cubic root of 5554603621 is about 1770.9964513848.

The spelling of 5554603621 in words is "five billion, five hundred fifty-four million, six hundred three thousand, six hundred twenty-one".