55011000500 has 48 divisors (see below), whose sum is σ = 121266984384. Its totient is φ = 21798730400.

The previous prime is 55011000491. The next prime is 55011000521. The reversal of 55011000500 is 500011055.

It is a super-2 number, since 2×55011000500² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460622 + ... + 567621.

It is an arithmetic number, because the mean of its divisors is an integer number (2526395508).

Almost surely, 2^55011000500 is an apocalyptic number.

55011000500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55011000500 is an abundant number, since it is smaller than the sum of its proper divisors (66255983884).

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

55011000500 is a wasteful number, since it uses less digits than its factorization.

55011000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028369 (or 1028357 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 55011000500 its reverse (500011055), we get a palindrome (55511011555).

It can be divided in two parts, 5501 and 1000500, that added together give a palindrome (1006001).

The spelling of 55011000500 in words is "fifty-five billion, eleven million, five hundred", and thus it is an aban number.