55535652215 has 4 divisors (see below), whose sum is σ = 66642782664. Its totient is φ = 44428521768.

The previous prime is 55535652131. The next prime is 55535652217. The reversal of 55535652215 is 51225653555.

55535652215 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55535652215 - 2⁸ = 55535651959 is a prime.

It is a Duffinian number.

55535652215 is strictly pandigital in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535652217) 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, 5553565217 + ... + 5553565226.

It is an arithmetic number, because the mean of its divisors is an integer number (16660695666).

Almost surely, 2^55535652215 is an apocalyptic number.

55535652215 is a deficient number, since it is larger than the sum of its proper divisors (11107130449).

55535652215 is a wasteful number, since it uses less digits than its factorization.

55535652215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107130448.

The product of its digits is 1125000, while the sum is 44.

The spelling of 55535652215 in words is "fifty-five billion, five hundred thirty-five million, six hundred fifty-two thousand, two hundred fifteen".