555277772555 has 16 divisors (see below), whose sum is σ = 728401745664. Its totient is φ = 403009123680.

The previous prime is 555277772507. The next prime is 555277772561.

555277772555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555277772555 - 2¹⁴ = 555277756171 is a prime.

It is a super-2 number, since 2×555277772555² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 10338677 + ... + 10392246.

It is an arithmetic number, because the mean of its divisors is an integer number (45525109104).

Almost surely, 2^555277772555 is an apocalyptic number.

555277772555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555277772555 is a deficient number, since it is larger than the sum of its proper divisors (173123973109).

555277772555 is a wasteful number, since it uses less digits than its factorization.

555277772555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20731426.

The product of its digits is 150062500, while the sum is 62.

The spelling of 555277772555 in words is "five hundred fifty-five billion, two hundred seventy-seven million, seven hundred seventy-two thousand, five hundred fifty-five".