55424450433415 has 12 divisors (see below), whose sum is σ = 77368008360456. Its totient is φ = 38005337439888.

The previous prime is 55424450433403. The next prime is 55424450433481. The reversal of 55424450433415 is 51433405442455.

It is a happy number.

It is not a de Polignac number, because 55424450433415 - 2⁹ = 55424450432903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 113111123089 + ... + 113111123578.

It is an arithmetic number, because the mean of its divisors is an integer number (6447334030038).

Almost surely, 2^{55424450433415} is an apocalyptic number.

55424450433415 is a deficient number, since it is larger than the sum of its proper divisors (21943557927041).

55424450433415 is a wasteful number, since it uses less digits than its factorization.

55424450433415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226222246686 (or 226222246679 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 49.

The spelling of 55424450433415 in words is "fifty-five trillion, four hundred twenty-four billion, four hundred fifty million, four hundred thirty-three thousand, four hundred fifteen".