551873047 has 16 divisors (see below), whose sum is σ = 615019392. Its totient is φ = 490940320.

The previous prime is 551873029. The next prime is 551873081. The reversal of 551873047 is 740378155.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551873047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551873347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271248 + ... + 273274.

It is an arithmetic number, because the mean of its divisors is an integer number (38438712).

Almost surely, 2^551873047 is an apocalyptic number.

551873047 is a deficient number, since it is larger than the sum of its proper divisors (63146345).

551873047 is a wasteful number, since it uses less digits than its factorization.

551873047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 551873047 is about 23491.9783543234. The cubic root of 551873047 is about 820.2502939087.

The spelling of 551873047 in words is "five hundred fifty-one million, eight hundred seventy-three thousand, forty-seven".