53555421434405 has 32 divisors (see below), whose sum is σ = 70436071075968. Its totient is φ = 38768047718400.

The previous prime is 53555421434393. The next prime is 53555421434503. The reversal of 53555421434405 is 50443412455535.

It is not a de Polignac number, because 53555421434405 - 2¹² = 53555421430309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8098565 + ... + 13141445.

It is an arithmetic number, because the mean of its divisors is an integer number (2201127221124).

Almost surely, 2^{53555421434405} is an apocalyptic number.

53555421434405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53555421434405 is a deficient number, since it is larger than the sum of its proper divisors (16880649641563).

53555421434405 is a wasteful number, since it uses less digits than its factorization.

53555421434405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043797.

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 53555421434405 in words is "fifty-three trillion, five hundred fifty-five billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred five".