5615522688 has 128 divisors (see below), whose sum is σ = 16179639840. Its totient is φ = 1718681600.

The previous prime is 5615522687. The next prime is 5615522707. The reversal of 5615522688 is 8862255165.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5615522687) 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, 257158 + ... + 278138.

Almost surely, 2^5615522688 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 5615522688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8089819920).

5615522688 is an abundant number, since it is smaller than the sum of its proper divisors (10564117152).

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

5615522688 is a wasteful number, since it uses less digits than its factorization.

5615522688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21056 (or 21044 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The square root of 5615522688 is about 74936.7912843885. The cubic root of 5615522688 is about 1777.4472822486.

The spelling of 5615522688 in words is "five billion, six hundred fifteen million, five hundred twenty-two thousand, six hundred eighty-eight".