554155541 has 4 divisors (see below), whose sum is σ = 556363584. Its totient is φ = 551947500.

The previous prime is 554155529. The next prime is 554155543. The reversal of 554155541 is 145551455.

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 a de Polignac number, because none of the positive numbers 2^k-554155541 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 (554155543) 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, 1103645 + ... + 1104146.

It is an arithmetic number, because the mean of its divisors is an integer number (139090896).

Almost surely, 2^554155541 is an apocalyptic number.

It is an amenable number.

554155541 is a deficient number, since it is larger than the sum of its proper divisors (2208043).

554155541 is a wasteful number, since it uses less digits than its factorization.

554155541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208042.

The product of its digits is 50000, while the sum is 35.

The square root of 554155541 is about 23540.5085119247. The cubic root of 554155541 is about 821.3795640047.

The spelling of 554155541 in words is "five hundred fifty-four million, one hundred fifty-five thousand, five hundred forty-one".