55000506100 has 72 divisors (see below), whose sum is σ = 120893199840. Its totient is φ = 21716407680.

The previous prime is 55000506097. The next prime is 55000506107. The reversal of 55000506100 is 160500055.

It is a super-2 number, since 2×55000506100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000506107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13435654 + ... + 13439746.

It is an arithmetic number, because the mean of its divisors is an integer number (1679072220).

Almost surely, 2^55000506100 is an apocalyptic number.

55000506100 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 55000506100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60446599920).

55000506100 is an abundant number, since it is smaller than the sum of its proper divisors (65892693740).

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

55000506100 is a wasteful number, since it uses less digits than its factorization.

55000506100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 55000506100 in words is "fifty-five billion, five hundred six thousand, one hundred".