50353931940 has 144 divisors (see below), whose sum is σ = 152815880448. Its totient is φ = 12383035392.

The previous prime is 50353931909. The next prime is 50353931951. The reversal of 50353931940 is 4913935305.

It is a junction number, because it is equal to n+sod(n) for n = 50353931892 and 50353931901.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16050052 + ... + 16053188.

It is an arithmetic number, because the mean of its divisors is an integer number (1061221392).

Almost surely, 2^50353931940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50353931940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76407940224).

50353931940 is an abundant number, since it is smaller than the sum of its proper divisors (102461948508).

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

50353931940 is a wasteful number, since it uses less digits than its factorization.

50353931940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 42.

The spelling of 50353931940 in words is "fifty billion, three hundred fifty-three million, nine hundred thirty-one thousand, nine hundred forty".