55072243630455 has 64 divisors (see below), whose sum is σ = 93129574003200. Its totient is φ = 27713095488000.

The previous prime is 55072243630447. The next prime is 55072243630457. The reversal of 55072243630455 is 55403634227055.

It is not a de Polignac number, because 55072243630455 - 2³ = 55072243630447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55072243630398 and 55072243630407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55072243630457) 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 63 ways as a sum of consecutive naturals, for example, 1710886501 + ... + 1710918689.

It is an arithmetic number, because the mean of its divisors is an integer number (1455149593800).

Almost surely, 2^{55072243630455} is an apocalyptic number.

55072243630455 is a deficient number, since it is larger than the sum of its proper divisors (38057330372745).

55072243630455 is a wasteful number, since it uses less digits than its factorization.

55072243630455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56384.

The product of its (nonzero) digits is 15120000, while the sum is 51.

The spelling of 55072243630455 in words is "fifty-five trillion, seventy-two billion, two hundred forty-three million, six hundred thirty thousand, four hundred fifty-five".