5533625661 has 8 divisors (see below), whose sum is σ = 7422348864. Its totient is φ = 3666993120.

The previous prime is 5533625653. The next prime is 5533625677. The reversal of 5533625661 is 1665263355.

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

It is not a de Polignac number, because 5533625661 - 2³ = 5533625653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5533625621) 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, 5522080 + ... + 5523081.

It is an arithmetic number, because the mean of its divisors is an integer number (927793608).

Almost surely, 2^5533625661 is an apocalyptic number.

It is an amenable number.

5533625661 is a deficient number, since it is larger than the sum of its proper divisors (1888723203).

5533625661 is a wasteful number, since it uses less digits than its factorization.

5533625661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045331.

The product of its digits is 486000, while the sum is 42.

The square root of 5533625661 is about 74388.3435828491. The cubic root of 5533625661 is about 1768.7641432008.

The spelling of 5533625661 in words is "five billion, five hundred thirty-three million, six hundred twenty-five thousand, six hundred sixty-one".