55320653454 has 32 divisors (see below), whose sum is σ = 120725358336. Its totient is φ = 16760257920.

The previous prime is 55320653447. The next prime is 55320653459. The reversal of 55320653454 is 45435602355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55320653459) 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, 230919 + ... + 404925.

It is an arithmetic number, because the mean of its divisors is an integer number (3772667448).

Almost surely, 2^55320653454 is an apocalyptic number.

55320653454 is an abundant number, since it is smaller than the sum of its proper divisors (65404704882).

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

55320653454 is a wasteful number, since it uses less digits than its factorization.

55320653454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178840.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 55320653454 in words is "fifty-five billion, three hundred twenty million, six hundred fifty-three thousand, four hundred fifty-four".