55025642122522 has 4 divisors (see below), whose sum is σ = 82538463183786. Its totient is φ = 27512821061260.

The previous prime is 55025642122459. The next prime is 55025642122541. The reversal of 55025642122522 is 22522124652055.

55025642122522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48005373245281 + 7020268877241 = 6928591^2 + 2649579^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13756410530629 + ... + 13756410530632.

Almost surely, 2^{55025642122522} is an apocalyptic number.

55025642122522 is a deficient number, since it is larger than the sum of its proper divisors (27512821061264).

55025642122522 is a wasteful number, since it uses less digits than its factorization.

55025642122522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27512821061263.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 55025642122522 its reverse (22522124652055), we get a palindrome (77547766774577).

The spelling of 55025642122522 in words is "fifty-five trillion, twenty-five billion, six hundred forty-two million, one hundred twenty-two thousand, five hundred twenty-two".