50500500054978 has 32 divisors (see below), whose sum is σ = 104562970718976. Its totient is φ = 16249650841728.

The previous prime is 50500500054971. The next prime is 50500500055007. The reversal of 50500500054978 is 87945000500505.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50500500054971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226553301 + ... + 1226594472.

It is an arithmetic number, because the mean of its divisors is an integer number (3267592834968).

Almost surely, 2^{50500500054978} is an apocalyptic number.

50500500054978 is an abundant number, since it is smaller than the sum of its proper divisors (54062470663998).

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

50500500054978 is a wasteful number, since it uses less digits than its factorization.

50500500054978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453147898.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 50500500054978 in words is "fifty trillion, five hundred billion, five hundred million, fifty-four thousand, nine hundred seventy-eight".