55437273455 has 16 divisors (see below), whose sum is σ = 67016761344. Its totient is φ = 44022796320.

The previous prime is 55437273449. The next prime is 55437273523.

55437273455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55437273455 - 2⁴ = 55437273439 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 383834 + ... + 508136.

It is an arithmetic number, because the mean of its divisors is an integer number (4188547584).

Almost surely, 2^55437273455 is an apocalyptic number.

55437273455 is a deficient number, since it is larger than the sum of its proper divisors (11579487889).

55437273455 is a wasteful number, since it uses less digits than its factorization.

55437273455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124966.

The product of its digits is 8820000, while the sum is 50.

The spelling of 55437273455 in words is "fifty-five billion, four hundred thirty-seven million, two hundred seventy-three thousand, four hundred fifty-five".