50551323987 has 8 divisors (see below), whose sum is σ = 69725964240. Its totient is φ = 32538783200.

The previous prime is 50551323941. The next prime is 50551323989. The reversal of 50551323987 is 78932315505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50551323987 - 2⁷ = 50551323859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50551323989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290524764 + ... + 290524937.

It is an arithmetic number, because the mean of its divisors is an integer number (8715745530).

Almost surely, 2^50551323987 is an apocalyptic number.

50551323987 is a deficient number, since it is larger than the sum of its proper divisors (19174640253).

50551323987 is a wasteful number, since it uses less digits than its factorization.

50551323987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581049733.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 50551323987 in words is "fifty billion, five hundred fifty-one million, three hundred twenty-three thousand, nine hundred eighty-seven".