5503515420 has 144 divisors (see below), whose sum is σ = 17138550240. Its totient is φ = 1318007808.

The previous prime is 5503515331. The next prime is 5503515421. The reversal of 5503515420 is 245153055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5503515421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367846 + ... + 382514.

It is an arithmetic number, because the mean of its divisors is an integer number (119017710).

Almost surely, 2^5503515420 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 5503515420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8569275120).

5503515420 is an abundant number, since it is smaller than the sum of its proper divisors (11635034820).

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

5503515420 is a wasteful number, since it uses less digits than its factorization.

5503515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744 (or 14729 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 5503515420 is about 74185.6820417525. The cubic root of 5503515420 is about 1765.5501680849.

Adding to 5503515420 its reverse (245153055), we get a palindrome (5748668475).

The spelling of 5503515420 in words is "five billion, five hundred three million, five hundred fifteen thousand, four hundred twenty".