545401656655 has 32 divisors (see below), whose sum is σ = 674002929600. Its totient is φ = 423373381632.

The previous prime is 545401656643. The next prime is 545401656659. The reversal of 545401656655 is 556656104545.

It is a cyclic number.

It is not a de Polignac number, because 545401656655 - 2⁵ = 545401656623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545401656659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127160751 + ... + 127165039.

It is an arithmetic number, because the mean of its divisors is an integer number (21062591550).

Almost surely, 2^545401656655 is an apocalyptic number.

545401656655 is a deficient number, since it is larger than the sum of its proper divisors (128601272945).

545401656655 is a wasteful number, since it uses less digits than its factorization.

545401656655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its (nonzero) digits is 10800000, while the sum is 52.

The spelling of 545401656655 in words is "five hundred forty-five billion, four hundred one million, six hundred fifty-six thousand, six hundred fifty-five".