551873049 has 24 divisors (see below), whose sum is σ = 910619712. Its totient is φ = 291096000.

The previous prime is 551873029. The next prime is 551873081. The reversal of 551873049 is 940378155.

It is not a de Polignac number, because 551873049 - 2¹³ = 551864857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551873049.

It is not an unprimeable number, because it can be changed into a prime (551873029) 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 23 ways as a sum of consecutive naturals, for example, 74202 + ... + 81299.

It is an arithmetic number, because the mean of its divisors is an integer number (37942488).

Almost surely, 2^551873049 is an apocalyptic number.

It is an amenable number.

551873049 is a deficient number, since it is larger than the sum of its proper divisors (358746663).

551873049 is a wasteful number, since it uses less digits than its factorization.

551873049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155537 (or 155524 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 551873049 is about 23491.9783968911. The cubic root of 551873049 is about 820.2502948996.

The spelling of 551873049 in words is "five hundred fifty-one million, eight hundred seventy-three thousand, forty-nine".