55515454411 has 4 divisors (see below), whose sum is σ = 55516069792. Its totient is φ = 55514839032.

The previous prime is 55515454403. The next prime is 55515454429. The reversal of 55515454411 is 11445451555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55515454411 - 2³ = 55515454403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55515454471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142980 + ... + 362593.

It is an arithmetic number, because the mean of its divisors is an integer number (13879017448).

Almost surely, 2^55515454411 is an apocalyptic number.

55515454411 is a deficient number, since it is larger than the sum of its proper divisors (615381).

55515454411 is a wasteful number, since it uses less digits than its factorization.

55515454411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615380.

The product of its digits is 200000, while the sum is 40.

The spelling of 55515454411 in words is "fifty-five billion, five hundred fifteen million, four hundred fifty-four thousand, four hundred eleven".