5420520500 has 144 divisors (see below), whose sum is σ = 12686965200. Its totient is φ = 2020704000.

The previous prime is 5420520493. The next prime is 5420520503. The reversal of 5420520500 is 50250245.

It can be written as a sum of positive squares in 8 ways, for example, as 2423395984 + 2997124516 = 49228^2 + 54746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420520503) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 13934306 + ... + 13934694.

It is an arithmetic number, because the mean of its divisors is an integer number (88103925).

Almost surely, 2^5420520500 is an apocalyptic number.

5420520500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5420520500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6343482600).

5420520500 is an abundant number, since it is smaller than the sum of its proper divisors (7266444700).

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

5420520500 is a wasteful number, since it uses less digits than its factorization.

5420520500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5420520500 is about 73624.1842060067. The cubic root of 5420520500 is about 1756.6301414935.

Adding to 5420520500 its reverse (50250245), we get a palindrome (5470770745).

The spelling of 5420520500 in words is "five billion, four hundred twenty million, five hundred twenty thousand, five hundred".