55645064535 has 64 divisors (see below), whose sum is σ = 91081875456. Its totient is φ = 29004393600.

The previous prime is 55645064509. The next prime is 55645064537. The reversal of 55645064535 is 53546054655.

It is not a de Polignac number, because 55645064535 - 2¹⁶ = 55644998999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645064537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42704694 + ... + 42705996.

It is an arithmetic number, because the mean of its divisors is an integer number (1423154304).

Almost surely, 2^55645064535 is an apocalyptic number.

55645064535 is a deficient number, since it is larger than the sum of its proper divisors (35436810921).

55645064535 is a wasteful number, since it uses less digits than its factorization.

55645064535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 55645064535 in words is "fifty-five billion, six hundred forty-five million, sixty-four thousand, five hundred thirty-five".