5155500404 has 24 divisors (see below), whose sum is σ = 9337817160. Its totient is φ = 2487640064.

The previous prime is 5155500403. The next prime is 5155500457. The reversal of 5155500404 is 4040055515.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2756460004 + 2399040400 = 52502^2 + 48980^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155500403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253892 + ... + 273444.

It is an arithmetic number, because the mean of its divisors is an integer number (389075715).

Almost surely, 2^5155500404 is an apocalyptic number.

It is an amenable number.

5155500404 is a deficient number, since it is larger than the sum of its proper divisors (4182316756).

5155500404 is a wasteful number, since it uses less digits than its factorization.

5155500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21859 (or 21857 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 5155500404 is about 71801.8133754295. The cubic root of 5155500404 is about 1727.5220858600.

Adding to 5155500404 its reverse (4040055515), we get a palindrome (9195555919).

The spelling of 5155500404 in words is "five billion, one hundred fifty-five million, five hundred thousand, four hundred four".