55421451412305 has 32 divisors (see below), whose sum is σ = 97112027564928. Its totient is φ = 26766450278400.

The previous prime is 55421451412267. The next prime is 55421451412309. The reversal of 55421451412305 is 50321415412455.

It is not a de Polignac number, because 55421451412305 - 2¹⁶ = 55421451346769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55421451412309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653435386 + ... + 653520195.

It is an arithmetic number, because the mean of its divisors is an integer number (3034750861404).

Almost surely, 2^{55421451412305} is an apocalyptic number.

55421451412305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55421451412305 is a deficient number, since it is larger than the sum of its proper divisors (41690576152623).

55421451412305 is a wasteful number, since it uses less digits than its factorization.

55421451412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306955857.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 55421451412305 in words is "fifty-five trillion, four hundred twenty-one billion, four hundred fifty-one million, four hundred twelve thousand, three hundred five".