50394588687 has 12 divisors (see below), whose sum is σ = 76623351480. Its totient is φ = 31828161168.

The previous prime is 50394588667. The next prime is 50394588703. The reversal of 50394588687 is 78688549305.

50394588687 is a `hidden beast` number, since 503 + 9 + 45 + 8 + 8 + 6 + 87 = 666.

It is not a de Polignac number, because 50394588687 - 2¹¹ = 50394586639 is a prime.

It is a super-2 number, since 2×50394588687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50394588667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147352428 + ... + 147352769.

It is an arithmetic number, because the mean of its divisors is an integer number (6385279290).

Almost surely, 2^50394588687 is an apocalyptic number.

50394588687 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

50394588687 is a deficient number, since it is larger than the sum of its proper divisors (26228762793).

50394588687 is a wasteful number, since it uses less digits than its factorization.

50394588687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294705222 (or 294705219 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 50394588687 in words is "fifty billion, three hundred ninety-four million, five hundred eighty-eight thousand, six hundred eighty-seven".