55572377327555 has 16 divisors (see below), whose sum is σ = 72750057120000. Its totient is φ = 40415850440160.

The previous prime is 55572377327531. The next prime is 55572377327561.

55572377327555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55572377327555 - 2⁶ = 55572377327491 is a prime.

It is a super-2 number, since 2×55572377327555² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39296 + ... + 10542594.

It is an arithmetic number, because the mean of its divisors is an integer number (4546878570000).

Almost surely, 2^{55572377327555} is an apocalyptic number.

55572377327555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55572377327555 is a deficient number, since it is larger than the sum of its proper divisors (17177679792445).

55572377327555 is a wasteful number, since it uses less digits than its factorization.

55572377327555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10599514.

The product of its digits is 1350562500, while the sum is 68.

The spelling of 55572377327555 in words is "fifty-five trillion, five hundred seventy-two billion, three hundred seventy-seven million, three hundred twenty-seven thousand, five hundred fifty-five".