50601550987 has 4 divisors (see below), whose sum is σ = 54493978000. Its totient is φ = 46709123976.

The previous prime is 50601550949. The next prime is 50601551009. The reversal of 50601550987 is 78905510605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50601550987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50601550487) 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, 1946213487 + ... + 1946213512.

It is an arithmetic number, because the mean of its divisors is an integer number (13623494500).

Almost surely, 2^50601550987 is an apocalyptic number.

50601550987 is a deficient number, since it is larger than the sum of its proper divisors (3892427013).

50601550987 is a wasteful number, since it uses less digits than its factorization.

50601550987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892427012.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 50601550987 in words is "fifty billion, six hundred one million, five hundred fifty thousand, nine hundred eighty-seven".