5515782552 has 96 divisors (see below), whose sum is σ = 17099596800. Its totient is φ = 1573451712.

The previous prime is 5515782551. The next prime is 5515782577. The reversal of 5515782552 is 2552875155.

5515782552 is a `hidden beast` number, since 5 + 5 + 1 + 578 + 25 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5515782498 and 5515782507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515782551) 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, 323833 + ... + 340439.

It is an arithmetic number, because the mean of its divisors is an integer number (178120800).

Almost surely, 2^5515782552 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 5515782552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8549798400).

5515782552 is an abundant number, since it is smaller than the sum of its proper divisors (11583814248).

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

5515782552 is a wasteful number, since it uses less digits than its factorization.

5515782552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285 (or 17278 counting only the distinct ones).

The product of its digits is 700000, while the sum is 45.

The square root of 5515782552 is about 74268.3145897360. The cubic root of 5515782552 is about 1766.8609766262.

The spelling of 5515782552 in words is "five billion, five hundred fifteen million, seven hundred eighty-two thousand, five hundred fifty-two".