55504766740555 has 16 divisors (see below), whose sum is σ = 72986618686464. Its totient is φ = 40186084675680.

The previous prime is 55504766740537. The next prime is 55504766740613.

55504766740555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55504766740555 - 2²³ = 55504758351947 is a prime.

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, 2262717729 + ... + 2262742258.

It is an arithmetic number, because the mean of its divisors is an integer number (4561663667904).

Almost surely, 2^{55504766740555} is an apocalyptic number.

55504766740555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55504766740555 is a deficient number, since it is larger than the sum of its proper divisors (17481851945909).

55504766740555 is a wasteful number, since it uses less digits than its factorization.

55504766740555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525460226.

The product of its (nonzero) digits is 441000000, while the sum is 64.

The spelling of 55504766740555 in words is "fifty-five trillion, five hundred four billion, seven hundred sixty-six million, seven hundred forty thousand, five hundred fifty-five".