5515910064 has 120 divisors (see below), whose sum is σ = 18570755840. Its totient is φ = 1493023104.

The previous prime is 5515910063. The next prime is 5515910089. The reversal of 5515910064 is 4600195155.

5515910064 is a `hidden beast` number, since 5 + 5 + 1 + 591 + 0 + 0 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5515910063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124852 + ... + 163155.

Almost surely, 2^5515910064 is an apocalyptic number.

It is an amenable number.

5515910064 is an abundant number, since it is smaller than the sum of its proper divisors (13054845776).

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

5515910064 is a wasteful number, since it uses less digits than its factorization.

5515910064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288047 (or 288038 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 5515910064 is about 74269.1730396939. The cubic root of 5515910064 is about 1766.8745917532.

The spelling of 5515910064 in words is "five billion, five hundred fifteen million, nine hundred ten thousand, sixty-four".