554155223 has 4 divisors (see below), whose sum is σ = 556640448. Its totient is φ = 551670000.

The previous prime is 554155219. The next prime is 554155241. The reversal of 554155223 is 322551455.

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 554155223 - 2² = 554155219 is a prime.

It is a super-2 number, since 2×554155223² = 614176022356359458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554155223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554158223) 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, 1242278 + ... + 1242723.

It is an arithmetic number, because the mean of its divisors is an integer number (139160112).

Almost surely, 2^554155223 is an apocalyptic number.

554155223 is a deficient number, since it is larger than the sum of its proper divisors (2485225).

554155223 is a wasteful number, since it uses less digits than its factorization.

554155223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485224.

The product of its digits is 30000, while the sum is 32.

The square root of 554155223 is about 23540.5017576092. The cubic root of 554155223 is about 821.3794068895.

The spelling of 554155223 in words is "five hundred fifty-four million, one hundred fifty-five thousand, two hundred twenty-three".