50681855952 has 320 divisors, whose sum is σ = 179363520000. Its totient is φ = 13343035392.

The previous prime is 50681855891. The next prime is 50681855963. The reversal of 50681855952 is 25955818605.

50681855952 is a `hidden beast` number, since 5 + 0 + 6 + 81 + 8 + 559 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41237674 + ... + 41238902.

It is an arithmetic number, because the mean of its divisors is an integer number (560511000).

Almost surely, 2^50681855952 is an apocalyptic number.

50681855952 is a gapful number since it is divisible by the number (52) 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 50681855952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89681760000).

50681855952 is an abundant number, since it is smaller than the sum of its proper divisors (128681664048).

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

50681855952 is a wasteful number, since it uses less digits than its factorization.

50681855952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 54.

The spelling of 50681855952 in words is "fifty billion, six hundred eighty-one million, eight hundred fifty-five thousand, nine hundred fifty-two".