55645211406 has 16 divisors (see below), whose sum is σ = 111293066448. Its totient is φ = 18547963200.

The previous prime is 55645211333. The next prime is 55645211411. The reversal of 55645211406 is 60411254655.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 258276 + ... + 421896.

It is an arithmetic number, because the mean of its divisors is an integer number (6955816653).

Almost surely, 2^55645211406 is an apocalyptic number.

55645211406 is an abundant number, since it is smaller than the sum of its proper divisors (55647855042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55645211406 is a wasteful number, since it uses less digits than its factorization.

55645211406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220307.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 55645211406 in words is "fifty-five billion, six hundred forty-five million, two hundred eleven thousand, four hundred six".