50155016616501 has 4 divisors (see below), whose sum is σ = 66873355488672. Its totient is φ = 33436677744332.

The previous prime is 50155016616493. The next prime is 50155016616557. The reversal of 50155016616501 is 10561661055105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50155016616501 - 2³ = 50155016616493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155016616701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359169436081 + ... + 8359169436086.

It is an arithmetic number, because the mean of its divisors is an integer number (16718338872168).

Almost surely, 2^{50155016616501} is an apocalyptic number.

It is an amenable number.

50155016616501 is a deficient number, since it is larger than the sum of its proper divisors (16718338872171).

50155016616501 is a wasteful number, since it uses less digits than its factorization.

50155016616501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718338872170.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 50155016616501 in words is "fifty trillion, one hundred fifty-five billion, sixteen million, six hundred sixteen thousand, five hundred one".