551042700 has 144 divisors (see below), whose sum is σ = 1727285280. Its totient is φ = 134830080.

The previous prime is 551042689. The next prime is 551042753. The reversal of 551042700 is 7240155.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 892792 + ... + 893408.

Almost surely, 2^551042700 is an apocalyptic number.

551042700 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 551042700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863642640).

551042700 is an abundant number, since it is smaller than the sum of its proper divisors (1176242580).

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

551042700 is a wasteful number, since it uses less digits than its factorization.

551042700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 551042700 is about 23474.2987115696. The cubic root of 551042700 is about 819.8387051382.

Adding to 551042700 its reverse (7240155), we get a palindrome (558282855).

The spelling of 551042700 in words is "five hundred fifty-one million, forty-two thousand, seven hundred".