55445334454 has 32 divisors (see below), whose sum is σ = 89914743360. Its totient is φ = 25548137472.

The previous prime is 55445334409. The next prime is 55445334479. The reversal of 55445334454 is 45443354455.

It is a super-2 number, since 2×55445334454² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 222732 + ... + 400624.

It is an arithmetic number, because the mean of its divisors is an integer number (2809835730).

Almost surely, 2^55445334454 is an apocalyptic number.

55445334454 is a deficient number, since it is larger than the sum of its proper divisors (34469408906).

55445334454 is a wasteful number, since it uses less digits than its factorization.

55445334454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178104.

The product of its digits is 5760000, while the sum is 46.

The spelling of 55445334454 in words is "fifty-five billion, four hundred forty-five million, three hundred thirty-four thousand, four hundred fifty-four".