50551001105555 has 16 divisors (see below), whose sum is σ = 63341327911680. Its totient is φ = 38656421108448.

The previous prime is 50551001105543. The next prime is 50551001105587. The reversal of 50551001105555 is 55550110015505.

It is a cyclic number.

It is not a de Polignac number, because 50551001105555 - 2¹² = 50551001101459 is a prime.

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, 148033745 + ... + 148374834.

It is an arithmetic number, because the mean of its divisors is an integer number (3958832994480).

Almost surely, 2^{50551001105555} is an apocalyptic number.

50551001105555 is a deficient number, since it is larger than the sum of its proper divisors (12790326806125).

50551001105555 is a wasteful number, since it uses less digits than its factorization.

50551001105555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296410090.

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 50551001105555 in words is "fifty trillion, five hundred fifty-one billion, one million, one hundred five thousand, five hundred fifty-five".