50249218590 has 64 divisors (see below), whose sum is σ = 134531953920. Its totient is φ = 13346388000.

The previous prime is 50249218567. The next prime is 50249218601. The reversal of 50249218590 is 9581294205.

It is a happy number.

50249218590 is a `hidden beast` number, since 5 + 0 + 2 + 49 + 2 + 18 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 302964 + ... + 438503.

It is an arithmetic number, because the mean of its divisors is an integer number (2102061780).

Almost surely, 2^50249218590 is an apocalyptic number.

50249218590 is an abundant number, since it is smaller than the sum of its proper divisors (84282735330).

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

50249218590 is a wasteful number, since it uses less digits than its factorization.

50249218590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741734 (or 741728 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 50249218590 in words is "fifty billion, two hundred forty-nine million, two hundred eighteen thousand, five hundred ninety".