55377122177355 has 24 divisors (see below), whose sum is σ = 97390509088656. Its totient is φ = 26849513782080.

The previous prime is 55377122177341. The next prime is 55377122177387.

55377122177355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55377122177355 - 2⁸ = 55377122177099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15255403744 + ... + 15255407373.

It is an arithmetic number, because the mean of its divisors is an integer number (4057937878694).

Almost surely, 2^{55377122177355} is an apocalyptic number.

55377122177355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55377122177355 is a deficient number, since it is larger than the sum of its proper divisors (42013386911301).

55377122177355 is a wasteful number, since it uses less digits than its factorization.

55377122177355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30510811147 (or 30510811136 counting only the distinct ones).

The product of its digits is 54022500, while the sum is 60.

The spelling of 55377122177355 in words is "fifty-five trillion, three hundred seventy-seven billion, one hundred twenty-two million, one hundred seventy-seven thousand, three hundred fifty-five".