6542204553 has 12 divisors (see below), whose sum is σ = 9464465088. Its totient is φ = 4354724760.

The previous prime is 6542204551. The next prime is 6542204579. The reversal of 6542204553 is 3554022456.

6542204553 is a `hidden beast` number, since 6 + 542 + 20 + 45 + 53 = 666.

It is not a de Polignac number, because 6542204553 - 2¹ = 6542204551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6542204551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555933 + ... + 567578.

It is an arithmetic number, because the mean of its divisors is an integer number (788705424).

Almost surely, 2^6542204553 is an apocalyptic number.

It is an amenable number.

6542204553 is a deficient number, since it is larger than the sum of its proper divisors (2922260535).

6542204553 is a wasteful number, since it uses less digits than its factorization.

6542204553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124164 (or 1124161 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 6542204553 is about 80883.8955107876. The cubic root of 6542204553 is about 1870.2860718418.

The spelling of 6542204553 in words is "six billion, five hundred forty-two million, two hundred four thousand, five hundred fifty-three".