105500550057 has 32 divisors (see below), whose sum is σ = 162202521600. Its totient is φ = 59747632128.

The previous prime is 105500550049. The next prime is 105500550083. The reversal of 105500550057 is 750055005501.

It is not a de Polignac number, because 105500550057 - 2³ = 105500550049 is a prime.

It is a super-2 number, since 2×105500550057² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105500550007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652944 + ... + 1715582.

It is an arithmetic number, because the mean of its divisors is an integer number (5068828800).

Almost surely, 2^105500550057 is an apocalyptic number.

It is an amenable number.

105500550057 is a deficient number, since it is larger than the sum of its proper divisors (56701971543).

105500550057 is a wasteful number, since it uses less digits than its factorization.

105500550057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63365.

The product of its (nonzero) digits is 21875, while the sum is 33.

Adding to 105500550057 its reverse (750055005501), we get a palindrome (855555555558).

The spelling of 105500550057 in words is "one hundred five billion, five hundred million, five hundred fifty thousand, fifty-seven".