50931660 has 192 divisors, whose sum is σ = 170698752. Its totient is φ = 11218944.

The previous prime is 50931659. The next prime is 50931697. The reversal of 50931660 is 6613905.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 304897 + ... + 305063.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 2^50931660 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 50931660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85349376).

50931660 is an abundant number, since it is smaller than the sum of its proper divisors (119767092).

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

50931660 is a wasteful number, since it uses less digits than its factorization.

50931660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 50931660 is about 7136.6420675273. The cubic root of 50931660 is about 370.6772596878.

The spelling of 50931660 in words is "fifty million, nine hundred thirty-one thousand, six hundred sixty".