55450667721454 has 16 divisors (see below), whose sum is σ = 89416530259200. Its totient is φ = 25707252447864.

The previous prime is 55450667721391. The next prime is 55450667721467. The reversal of 55450667721454 is 45412776605455.

It is a junction number, because it is equal to n+sod(n) for n = 55450667721392 and 55450667721401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15523701384 + ... + 15523704955.

It is an arithmetic number, because the mean of its divisors is an integer number (5588533141200).

Almost surely, 2^{55450667721454} is an apocalyptic number.

55450667721454 is a deficient number, since it is larger than the sum of its proper divisors (33965862537746).

55450667721454 is a wasteful number, since it uses less digits than its factorization.

55450667721454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31047406407.

The product of its (nonzero) digits is 141120000, while the sum is 61.

The spelling of 55450667721454 in words is "fifty-five trillion, four hundred fifty billion, six hundred sixty-seven million, seven hundred twenty-one thousand, four hundred fifty-four".