55217587413 has 16 divisors (see below), whose sum is σ = 73790972352. Its totient is φ = 36728016000.

The previous prime is 55217587393. The next prime is 55217587417. The reversal of 55217587413 is 31478571255.

It is not a de Polignac number, because 55217587413 - 2²⁹ = 54680716501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55217587417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6655798 + ... + 6664088.

It is an arithmetic number, because the mean of its divisors is an integer number (4611935772).

Almost surely, 2^55217587413 is an apocalyptic number.

It is an amenable number.

55217587413 is a deficient number, since it is larger than the sum of its proper divisors (18573384939).

55217587413 is a wasteful number, since it uses less digits than its factorization.

55217587413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076.

The product of its digits is 1176000, while the sum is 48.

The spelling of 55217587413 in words is "fifty-five billion, two hundred seventeen million, five hundred eighty-seven thousand, four hundred thirteen".