5655521040 has 160 divisors (see below), whose sum is σ = 19391425536. Its totient is φ = 1354475520.

The previous prime is 5655521021. The next prime is 5655521041. The reversal of 5655521040 is 401255565.

It is a junction number, because it is equal to n+sod(n) for n = 5655520992 and 5655521010.

It is not an unprimeable number, because it can be changed into a prime (5655521041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90945 + ... + 139935.

Almost surely, 2^5655521040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5655521040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9695712768).

5655521040 is an abundant number, since it is smaller than the sum of its proper divisors (13735904496).

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

5655521040 is a wasteful number, since it uses less digits than its factorization.

5655521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49057 (or 49051 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 5655521040 is about 75203.1983362410. The cubic root of 5655521040 is about 1781.6574470573.

The spelling of 5655521040 in words is "five billion, six hundred fifty-five million, five hundred twenty-one thousand, forty".