5405510656 has 132 divisors (see below), whose sum is σ = 13538497728. Its totient is φ = 2138185728.

The previous prime is 5405510653. The next prime is 5405510687. The reversal of 5405510656 is 6560155045.

It is not an unprimeable number, because it can be changed into a prime (5405510653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648145 + ... + 656431.

Almost surely, 2^5405510656 is an apocalyptic number.

5405510656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5405510656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6769248864).

5405510656 is an abundant number, since it is smaller than the sum of its proper divisors (8132987072).

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

5405510656 is a wasteful number, since it uses less digits than its factorization.

5405510656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 5405510656 is about 73522.1779873257. The cubic root of 5405510656 is about 1755.0072272925.

The spelling of 5405510656 in words is "five billion, four hundred five million, five hundred ten thousand, six hundred fifty-six".