551046100 has 54 divisors (see below), whose sum is σ = 1314387662. Its totient is φ = 200376000.

The previous prime is 551046091. The next prime is 551046101. The reversal of 551046100 is 1640155.

It can be written as a sum of positive squares in 3 ways, for example, as 17424 + 551028676 = 132^2 + 23474^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551046101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10671 + ... + 34870.

Almost surely, 2^551046100 is an apocalyptic number.

551046100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551046100 is an abundant number, since it is smaller than the sum of its proper divisors (763341562).

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

551046100 is a wasteful number, since it uses less digits than its factorization.

551046100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45577 (or 45559 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 551046100 is about 23474.3711310868. The cubic root of 551046100 is about 819.8403913027.

Adding to 551046100 its reverse (1640155), we get a palindrome (552686255).

The spelling of 551046100 in words is "five hundred fifty-one million, forty-six thousand, one hundred".