5105520 has 120 divisors (see below), whose sum is σ = 19614816. Its totient is φ = 1165824.

The previous prime is 5105497. The next prime is 5105531. The reversal of 5105520 is 255015.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5105493 and 5105502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4534 + ... + 5546.

Almost surely, 2^5105520 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 5105520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9807408).

5105520 is an abundant number, since it is smaller than the sum of its proper divisors (14509296).

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

5105520 is a wasteful number, since it uses less digits than its factorization.

5105520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 5105520 is about 2259.5397761491. The cubic root of 5105520 is about 172.1921415070.

It can be divided in two parts, 5105 and 520, that added together give a square (5625 = 75²).

The spelling of 5105520 in words is "five million, one hundred five thousand, five hundred twenty".