50312990530 has 32 divisors (see below), whose sum is σ = 99550617408. Its totient is φ = 18155966400.

The previous prime is 50312990501. The next prime is 50312990537. The reversal of 50312990530 is 3509921305.

It is a self number, because there is not a number n which added to its sum of digits gives 50312990530.

It is not an unprimeable number, because it can be changed into a prime (50312990537) 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, 1731357 + ... + 1760176.

It is an arithmetic number, because the mean of its divisors is an integer number (3110956794).

Almost surely, 2^50312990530 is an apocalyptic number.

50312990530 is a deficient number, since it is larger than the sum of its proper divisors (49237626878).

50312990530 is a wasteful number, since it uses less digits than its factorization.

50312990530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491682.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 50312990530 in words is "fifty billion, three hundred twelve million, nine hundred ninety thousand, five hundred thirty".