50156665655 has 16 divisors (see below), whose sum is σ = 63711442080. Its totient is φ = 37840725888.

The previous prime is 50156665651. The next prime is 50156665661. The reversal of 50156665655 is 55656665105.

It is a cyclic number.

It is not a de Polignac number, because 50156665655 - 2² = 50156665651 is a prime.

It is a super-2 number, since 2×50156665655² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50156665651) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4015952 + ... + 4028421.

It is an arithmetic number, because the mean of its divisors is an integer number (3981965130).

Almost surely, 2^50156665655 is an apocalyptic number.

50156665655 is a deficient number, since it is larger than the sum of its proper divisors (13554776425).

50156665655 is a wasteful number, since it uses less digits than its factorization.

50156665655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044450.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 50156665655 in words is "fifty billion, one hundred fifty-six million, six hundred sixty-five thousand, six hundred fifty-five".