55000101020 has 96 divisors (see below), whose sum is σ = 128532096000. Its totient is φ = 19662787584.

The previous prime is 55000101019. The next prime is 55000101041. The reversal of 55000101020 is 2010100055.

It is a super-2 number, since 2×55000101020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55000100986 and 55000101004.

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 31 ways as a sum of consecutive naturals, for example, 1061681 + ... + 1112279.

It is an arithmetic number, because the mean of its divisors is an integer number (1338876000).

Almost surely, 2^55000101020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64266048000).

55000101020 is an abundant number, since it is smaller than the sum of its proper divisors (73531994980).

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

55000101020 is a wasteful number, since it uses less digits than its factorization.

55000101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50787 (or 50785 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

Adding to 55000101020 its reverse (2010100055), we get a palindrome (57010201075).

The spelling of 55000101020 in words is "fifty-five billion, one hundred one thousand, twenty".