55321110645154 has 32 divisors (see below), whose sum is σ = 83259737352000. Its totient is φ = 27568017039360.

The previous prime is 55321110645113. The next prime is 55321110645161. The reversal of 55321110645154 is 45154601112355.

It is a self number, because there is not a number n which added to its sum of digits gives 55321110645154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7055360274 + ... + 7055368114.

It is an arithmetic number, because the mean of its divisors is an integer number (2601866792250).

Almost surely, 2^{55321110645154} is an apocalyptic number.

55321110645154 is a deficient number, since it is larger than the sum of its proper divisors (27938626706846).

55321110645154 is a wasteful number, since it uses less digits than its factorization.

55321110645154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16098.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 55321110645154 in words is "fifty-five trillion, three hundred twenty-one billion, one hundred ten million, six hundred forty-five thousand, one hundred fifty-four".