55005510100 has 18 divisors (see below), whose sum is σ = 119361957134. Its totient is φ = 22002204000.

The previous prime is 55005510067. The next prime is 55005510101. The reversal of 55005510100 is 101550055.

It can be written as a sum of positive squares in 3 ways, for example, as 4219281936 + 50786228164 = 64956^2 + 225358^2 .

It is a super-2 number, since 2×55005510100² (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 (55005510101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275027451 + ... + 275027650.

Almost surely, 2^55005510100 is an apocalyptic number.

55005510100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005510100 is an abundant number, since it is smaller than the sum of its proper divisors (64356447034).

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

55005510100 is a wasteful number, since it uses less digits than its factorization.

55005510100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550055115 (or 550055108 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 55005510100 in words is "fifty-five billion, five million, five hundred ten thousand, one hundred".