55534505405 has 16 divisors (see below), whose sum is σ = 69968344320. Its totient is φ = 42255377472.

The previous prime is 55534505401. The next prime is 55534505407. The reversal of 55534505405 is 50450543555.

It is a cyclic number.

It is not a de Polignac number, because 55534505405 - 2² = 55534505401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534505401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2848469 + ... + 2867898.

It is an arithmetic number, because the mean of its divisors is an integer number (4373021520).

Almost surely, 2^55534505405 is an apocalyptic number.

It is an amenable number.

55534505405 is a deficient number, since it is larger than the sum of its proper divisors (14433838915).

55534505405 is a wasteful number, since it uses less digits than its factorization.

55534505405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716468.

The product of its (nonzero) digits is 750000, while the sum is 41.

The spelling of 55534505405 in words is "fifty-five billion, five hundred thirty-four million, five hundred five thousand, four hundred five".