50978173646516 has 12 divisors (see below), whose sum is σ = 91286496995232. Its totient is φ = 24896317362168.

The previous prime is 50978173646507. The next prime is 50978173646537. The reversal of 50978173646516 is 61564637187905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148192365080 + ... + 148192365423.

It is an arithmetic number, because the mean of its divisors is an integer number (7607208082936).

Almost surely, 2^{50978173646516} is an apocalyptic number.

It is an amenable number.

50978173646516 is a deficient number, since it is larger than the sum of its proper divisors (40308323348716).

50978173646516 is a wasteful number, since it uses less digits than its factorization.

50978173646516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296384730550 (or 296384730548 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 68.

The spelling of 50978173646516 in words is "fifty trillion, nine hundred seventy-eight billion, one hundred seventy-three million, six hundred forty-six thousand, five hundred sixteen".