551060100 has 108 divisors (see below), whose sum is σ = 1828922004. Its totient is φ = 138301440.

The previous prime is 551060099. The next prime is 551060113. The reversal of 551060100 is 1060155.

551060100 is a `hidden beast` number, since 55 + 10 + 601 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 125316 + 550934784 = 354^2 + 23472^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2709 + ... + 33308.

It is an arithmetic number, because the mean of its divisors is an integer number (16934463).

Almost surely, 2^551060100 is an apocalyptic number.

551060100 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 551060100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914461002).

551060100 is an abundant number, since it is smaller than the sum of its proper divisors (1277861904).

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

551060100 is a wasteful number, since it uses less digits than its factorization.

551060100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36054 (or 36044 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 551060100 is about 23474.6693267445. The cubic root of 551060100 is about 819.8473342597.

Subtracting from 551060100 its reverse (1060155), we obtain a palindrome (549999945).

The spelling of 551060100 in words is "five hundred fifty-one million, sixty thousand, one hundred".