50991160 has 96 divisors (see below), whose sum is σ = 133287120. Its totient is φ = 17408000.

The previous prime is 50991151. The next prime is 50991169. The reversal of 50991160 is 6119905.

It is an interprime number because it is at equal distance from previous prime (50991151) and next prime (50991169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50991169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126960 + ... + 127360.

Almost surely, 2^50991160 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 50991160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66643560).

50991160 is an abundant number, since it is smaller than the sum of its proper divisors (82295960).

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

50991160 is a wasteful number, since it uses less digits than its factorization.

50991160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 50991160 is about 7140.8094779234. The cubic root of 50991160 is about 370.8215492054.

The spelling of 50991160 in words is "fifty million, nine hundred ninety-one thousand, one hundred sixty".