50919407616 has 576 divisors, whose sum is σ = 178048633680. Its totient is φ = 12799180800.

The previous prime is 50919407593. The next prime is 50919407639. The reversal of 50919407616 is 61670491905.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50919407593) and next prime (50919407639).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1642561521 + ... + 1642561551.

Almost surely, 2^50919407616 is an apocalyptic number.

50919407616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50919407616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89024316840).

50919407616 is an abundant number, since it is smaller than the sum of its proper divisors (127129226064).

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

50919407616 is an equidigital number, since it uses as much as digits as its factorization.

50919407616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 50919407616 in words is "fifty billion, nine hundred nineteen million, four hundred seven thousand, six hundred sixteen".