55494560500 has 24 divisors (see below), whose sum is σ = 121200121224. Its totient is φ = 22197824000.

The previous prime is 55494560449. The next prime is 55494560501. The reversal of 55494560500 is 506549455.

It can be written as a sum of positive squares in 4 ways, for example, as 110586256 + 55383974244 = 10516^2 + 235338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494560501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55494061 + ... + 55495060.

It is an arithmetic number, because the mean of its divisors is an integer number (5050005051).

Almost surely, 2^55494560500 is an apocalyptic number.

55494560500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55494560500 is an abundant number, since it is smaller than the sum of its proper divisors (65705560724).

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

55494560500 is a wasteful number, since it uses less digits than its factorization.

55494560500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110989140 (or 110989128 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 55494560500 in words is "fifty-five billion, four hundred ninety-four million, five hundred sixty thousand, five hundred".