551460857 has 4 divisors (see below), whose sum is σ = 575437440. Its totient is φ = 527484276.

The previous prime is 551460851. The next prime is 551460869. The reversal of 551460857 is 758064155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551460857 - 2²² = 547266553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551460851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988257 + ... + 11988302.

It is an arithmetic number, because the mean of its divisors is an integer number (143859360).

Almost surely, 2^551460857 is an apocalyptic number.

It is an amenable number.

551460857 is a deficient number, since it is larger than the sum of its proper divisors (23976583).

551460857 is a wasteful number, since it uses less digits than its factorization.

551460857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976582.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 551460857 is about 23483.2037209577. The cubic root of 551460857 is about 820.0460300356.

The spelling of 551460857 in words is "five hundred fifty-one million, four hundred sixty thousand, eight hundred fifty-seven".