554540569021 has 4 divisors (see below), whose sum is σ = 557413836412. Its totient is φ = 551667301632.

The previous prime is 554540569001. The next prime is 554540569057. The reversal of 554540569021 is 120965045455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 213471720900 + 341068848121 = 462030^2 + 584011^2 .

It is a cyclic number.

It is not a de Polignac number, because 554540569021 - 2⁷ = 554540568893 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 (554540569001) 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, 1436633406 + ... + 1436633791.

It is an arithmetic number, because the mean of its divisors is an integer number (139353459103).

Almost surely, 2^554540569021 is an apocalyptic number.

It is an amenable number.

554540569021 is a deficient number, since it is larger than the sum of its proper divisors (2873267391).

554540569021 is a wasteful number, since it uses less digits than its factorization.

554540569021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873267390.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 554540569021 in words is "five hundred fifty-four billion, five hundred forty million, five hundred sixty-nine thousand, twenty-one".