5515920 has 120 divisors (see below), whose sum is σ = 19034496. Its totient is φ = 1430784.

The previous prime is 5515903. The next prime is 5515921. The reversal of 5515920 is 295155.

5515920 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (120).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5515921) 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, 33759 + ... + 33921.

Almost surely, 2^5515920 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 5515920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9517248).

5515920 is an abundant number, since it is smaller than the sum of its proper divisors (13518576).

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

5515920 is a wasteful number, since it uses less digits than its factorization.

5515920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 5515920 is about 2348.5995827301. The cubic root of 5515920 is about 176.6875652663.

The spelling of 5515920 in words is "five million, five hundred fifteen thousand, nine hundred twenty".