551243050 has 24 divisors (see below), whose sum is σ = 1029734316. Its totient is φ = 219546240.

The previous prime is 551243027. The next prime is 551243053. The reversal of 551243050 is 50342155.

It can be written as a sum of positive squares in 6 ways, for example, as 227135041 + 324108009 = 15071^2 + 18003^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (551243053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12009 + ... + 35308.

Almost surely, 2^551243050 is an apocalyptic number.

551243050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551243050 is a deficient number, since it is larger than the sum of its proper divisors (478491266).

551243050 is a wasteful number, since it uses less digits than its factorization.

551243050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47562 (or 47557 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 551243050 is about 23478.5657568771. The cubic root of 551243050 is about 819.9380530241.

The spelling of 551243050 in words is "five hundred fifty-one million, two hundred forty-three thousand, fifty".