55315450216632 has 128 divisors (see below), whose sum is σ = 140170352256000. Its totient is φ = 18189164459520.

The previous prime is 55315450216603. The next prime is 55315450216643. The reversal of 55315450216632 is 23661205451355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1077345153 + ... + 1077396495.

It is an arithmetic number, because the mean of its divisors is an integer number (1095080877000).

Almost surely, 2^{55315450216632} is an apocalyptic number.

It is an amenable number.

55315450216632 is an abundant number, since it is smaller than the sum of its proper divisors (84854902039368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55315450216632 is a wasteful number, since it uses less digits than its factorization.

55315450216632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53261 (or 53257 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

Adding to 55315450216632 its reverse (23661205451355), we get a palindrome (78976655667987).

The spelling of 55315450216632 in words is "fifty-five trillion, three hundred fifteen billion, four hundred fifty million, two hundred sixteen thousand, six hundred thirty-two".