5115400550 has 48 divisors (see below), whose sum is σ = 10283893872. Its totient is φ = 1881878400.

The previous prime is 5115400541. The next prime is 5115400573. The reversal of 5115400550 is 550045115.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165845 + ... + 194255.

It is an arithmetic number, because the mean of its divisors is an integer number (214247789).

Almost surely, 2^5115400550 is an apocalyptic number.

5115400550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5115400550 is an abundant number, since it is smaller than the sum of its proper divisors (5168493322).

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

5115400550 is a wasteful number, since it uses less digits than its factorization.

5115400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28713 (or 28708 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5115400550 is about 71522.0284248147. The cubic root of 5115400550 is about 1723.0314924752.

Adding to 5115400550 its reverse (550045115), we get a palindrome (5665445665).

The spelling of 5115400550 in words is "five billion, one hundred fifteen million, four hundred thousand, five hundred fifty".