45566766555 has 16 divisors (see below), whose sum is σ = 72966178080. Its totient is φ = 24282491648.

The previous prime is 45566766551. The next prime is 45566766559. The reversal of 45566766555 is 55566766554.

It is an interprime number because it is at equal distance from previous prime (45566766551) and next prime (45566766559).

It is a cyclic number.

It is not a de Polignac number, because 45566766555 - 2² = 45566766551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45566766551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217442 + ... + 1254311.

It is an arithmetic number, because the mean of its divisors is an integer number (4560386130).

Almost surely, 2^45566766555 is an apocalyptic number.

45566766555 is a deficient number, since it is larger than the sum of its proper divisors (27399411525).

45566766555 is a wasteful number, since it uses less digits than its factorization.

45566766555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472990.

The product of its digits is 113400000, while the sum is 60.

Subtracting 45566766555 from its reverse (55566766554), we obtain a palindrome (9999999999).

The spelling of 45566766555 in words is "forty-five billion, five hundred sixty-six million, seven hundred sixty-six thousand, five hundred fifty-five".