55683685385535 has 16 divisors (see below), whose sum is σ = 89268933754080. Its totient is φ = 29639619826560.

The previous prime is 55683685385513. The next prime is 55683685385599. The reversal of 55683685385535 is 53558358638655.

It is not a de Polignac number, because 55683685385535 - 2⁹ = 55683685385023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3646599136 + ... + 3646614405.

It is an arithmetic number, because the mean of its divisors is an integer number (5579308359630).

Almost surely, 2^{55683685385535} is an apocalyptic number.

55683685385535 is a deficient number, since it is larger than the sum of its proper divisors (33585248368545).

55683685385535 is a wasteful number, since it uses less digits than its factorization.

55683685385535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293214058.

The product of its digits is 7776000000, while the sum is 75.

The spelling of 55683685385535 in words is "fifty-five trillion, six hundred eighty-three billion, six hundred eighty-five million, three hundred eighty-five thousand, five hundred thirty-five".