55615217110 has 64 divisors (see below), whose sum is σ = 109313971200. Its totient is φ = 20300716800.

The previous prime is 55615217101. The next prime is 55615217117. The reversal of 55615217110 is 1171251655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55615217117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570225 + ... + 660595.

It is an arithmetic number, because the mean of its divisors is an integer number (1708030800).

Almost surely, 2^55615217110 is an apocalyptic number.

55615217110 is a deficient number, since it is larger than the sum of its proper divisors (53698754090).

55615217110 is a wasteful number, since it uses less digits than its factorization.

55615217110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90517.

The product of its (nonzero) digits is 10500, while the sum is 34.

Adding to 55615217110 its reverse (1171251655), we get a palindrome (56786468765).

The spelling of 55615217110 in words is "fifty-five billion, six hundred fifteen million, two hundred seventeen thousand, one hundred ten".