55055005549977 has 16 divisors (see below), whose sum is σ = 75870914281472. Its totient is φ = 35474225769360.

The previous prime is 55055005549937. The next prime is 55055005549979. The reversal of 55055005549977 is 77994550055055.

It is not a de Polignac number, because 55055005549977 - 2⁸ = 55055005549721 is a prime.

It is a super-2 number, since 2×55055005549977² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55055005549979) 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, 376031833 + ... + 376178214.

It is an arithmetic number, because the mean of its divisors is an integer number (4741932142592).

Almost surely, 2^{55055005549977} is an apocalyptic number.

It is an amenable number.

55055005549977 is a deficient number, since it is larger than the sum of its proper divisors (20815908731495).

55055005549977 is a wasteful number, since it uses less digits than its factorization.

55055005549977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752210868.

The product of its (nonzero) digits is 248062500, while the sum is 66.

The spelling of 55055005549977 in words is "fifty-five trillion, fifty-five billion, five million, five hundred forty-nine thousand, nine hundred seventy-seven".