53555555406 has 16 divisors (see below), whose sum is σ = 107649360000. Its totient is φ = 17762143608.

The previous prime is 53555555393. The next prime is 53555555411. The reversal of 53555555406 is 60455555535.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22425756 + ... + 22428143.

It is an arithmetic number, because the mean of its divisors is an integer number (6728085000).

Almost surely, 2^53555555406 is an apocalyptic number.

53555555406 is an abundant number, since it is smaller than the sum of its proper divisors (54093804594).

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

53555555406 is a wasteful number, since it uses less digits than its factorization.

53555555406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44854103.

The product of its (nonzero) digits is 5625000, while the sum is 48.

The spelling of 53555555406 in words is "fifty-three billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred six".