55150220165610 has 32 divisors (see below), whose sum is σ = 132362548451712. Its totient is φ = 14706500927040.

The previous prime is 55150220165527. The next prime is 55150220165699. The reversal of 55150220165610 is 1656102205155.

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, 12025006 + ... + 15965625.

It is an arithmetic number, because the mean of its divisors is an integer number (4136329639116).

Almost surely, 2^{55150220165610} is an apocalyptic number.

55150220165610 is an abundant number, since it is smaller than the sum of its proper divisors (77212328286102).

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

55150220165610 is a wasteful number, since it uses less digits than its factorization.

55150220165610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28056318.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 55150220165610 in words is "fifty-five trillion, one hundred fifty billion, two hundred twenty million, one hundred sixty-five thousand, six hundred ten".