50491760 has 80 divisors (see below), whose sum is σ = 129179232. Its totient is φ = 18201600.

The previous prime is 50491741. The next prime is 50491769. The reversal of 50491760 is 6719405.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50491769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159122 + ... + 159438.

Almost surely, 2^50491760 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 50491760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64589616).

50491760 is an abundant number, since it is smaller than the sum of its proper divisors (78687472).

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

50491760 is a wasteful number, since it uses less digits than its factorization.

50491760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 50491760 is about 7105.7554137474. The cubic root of 50491760 is about 369.6069846821.

The spelling of 50491760 in words is "fifty million, four hundred ninety-one thousand, seven hundred sixty".