554681899 has 4 divisors (see below), whose sum is σ = 587310264. Its totient is φ = 522053536.

The previous prime is 554681887. The next prime is 554681923. The reversal of 554681899 is 998186455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 554681899 - 2¹⁷ = 554550827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554681819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16314157 + ... + 16314190.

It is an arithmetic number, because the mean of its divisors is an integer number (146827566).

Almost surely, 2^554681899 is an apocalyptic number.

554681899 is a deficient number, since it is larger than the sum of its proper divisors (32628365).

554681899 is a wasteful number, since it uses less digits than its factorization.

554681899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32628364.

The product of its digits is 3110400, while the sum is 55.

The square root of 554681899 is about 23551.6856933851. The cubic root of 554681899 is about 821.6395408887.

The spelling of 554681899 in words is "five hundred fifty-four million, six hundred eighty-one thousand, eight hundred ninety-nine".