5521660 has 12 divisors (see below), whose sum is σ = 11595528. Its totient is φ = 2208656.

The previous prime is 5521657. The next prime is 5521661. The reversal of 5521660 is 661255.

5521660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138022 + ... + 138061.

It is an arithmetic number, because the mean of its divisors is an integer number (966294).

Almost surely, 2^5521660 is an apocalyptic number.

It is an amenable number.

5521660 is an abundant number, since it is smaller than the sum of its proper divisors (6073868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5521660 is a wasteful number, since it uses less digits than its factorization.

5521660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276092 (or 276090 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5521660 is about 2349.8212697990. The cubic root of 5521660 is about 176.7488324730.

The spelling of 5521660 in words is "five million, five hundred twenty-one thousand, six hundred sixty".