55073621263265 has 32 divisors (see below), whose sum is σ = 75896515123200. Its totient is φ = 37942665520320.

The previous prime is 55073621263231. The next prime is 55073621263301. The reversal of 55073621263265 is 56236212637055.

It is a happy number.

It is not a de Polignac number, because 55073621263265 - 2²² = 55073617068961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12296984 + ... + 16166726.

It is an arithmetic number, because the mean of its divisors is an integer number (2371766097600).

Almost surely, 2^{55073621263265} is an apocalyptic number.

55073621263265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55073621263265 is a deficient number, since it is larger than the sum of its proper divisors (20822893859935).

55073621263265 is a wasteful number, since it uses less digits than its factorization.

55073621263265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883397.

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 55073621263265 in words is "fifty-five trillion, seventy-three billion, six hundred twenty-one million, two hundred sixty-three thousand, two hundred sixty-five".