55533566003545 has 48 divisors (see below), whose sum is σ = 79699023039888. Its totient is φ = 37012082042880.

The previous prime is 55533566003521. The next prime is 55533566003549. The reversal of 55533566003545 is 54530066533555.

It can be written as a sum of positive squares in 8 ways, for example, as 165501698761 + 55368064304784 = 406819^2 + 7440972^2 .

It is not a de Polignac number, because 55533566003545 - 2¹⁹ = 55533565479257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55533566003549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5424805 + ... + 11853085.

It is an arithmetic number, because the mean of its divisors is an integer number (1660396313331).

Almost surely, 2^{55533566003545} is an apocalyptic number.

It is an amenable number.

55533566003545 is a deficient number, since it is larger than the sum of its proper divisors (24165457036343).

55533566003545 is a wasteful number, since it uses less digits than its factorization.

55533566003545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429290 (or 6429283 counting only the distinct ones).

The product of its (nonzero) digits is 60750000, while the sum is 55.

The spelling of 55533566003545 in words is "fifty-five trillion, five hundred thirty-three billion, five hundred sixty-six million, three thousand, five hundred forty-five".