50619615490 has 16 divisors (see below), whose sum is σ = 91660911552. Its totient is φ = 20126600944.

The previous prime is 50619615467. The next prime is 50619615499. The reversal of 50619615490 is 9451691605.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50619615490.

It is not an unprimeable number, because it can be changed into a prime (50619615499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15153904 + ... + 15157243.

It is an arithmetic number, because the mean of its divisors is an integer number (5728806972).

Almost surely, 2^50619615490 is an apocalyptic number.

50619615490 is a deficient number, since it is larger than the sum of its proper divisors (41041296062).

50619615490 is a wasteful number, since it uses less digits than its factorization.

50619615490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30311321.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 50619615490 in words is "fifty billion, six hundred nineteen million, six hundred fifteen thousand, four hundred ninety".