550550100 has 72 divisors (see below), whose sum is σ = 1686642048. Its totient is φ = 138176000.

The previous prime is 550550087. The next prime is 550550101. The reversal of 550550100 is 1055055.

It is a super-2 number, since 2×550550100² = 606210825220020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48876 + ... + 59075.

It is an arithmetic number, because the mean of its divisors is an integer number (23425584).

Almost surely, 2^550550100 is an apocalyptic number.

550550100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550550100 is an abundant number, since it is smaller than the sum of its proper divisors (1136091948).

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

550550100 is a wasteful number, since it uses less digits than its factorization.

550550100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107985 (or 107978 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 550550100 is about 23463.8040394136. The cubic root of 550550100 is about 819.5943363284.

The spelling of 550550100 in words is "five hundred fifty million, five hundred fifty thousand, one hundred".