50491500 has 96 divisors (see below), whose sum is σ = 150800832. Its totient is φ = 13120000.

The previous prime is 50491499. The next prime is 50491501. The reversal of 50491500 is 519405.

It is an interprime number because it is at equal distance from previous prime (50491499) and next prime (50491501).

It is not an unprimeable number, because it can be changed into a prime (50491501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61090 + ... + 61910.

It is an arithmetic number, because the mean of its divisors is an integer number (1570842).

Almost surely, 2^50491500 is an apocalyptic number.

50491500 is a gapful number since it is divisible by the number (50) 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 50491500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75400416).

50491500 is an abundant number, since it is smaller than the sum of its proper divisors (100309332).

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

50491500 is a wasteful number, since it uses less digits than its factorization.

50491500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50491500 is about 7105.7371186950. The cubic root of 50491500 is about 369.6063502685.

The spelling of 50491500 in words is "fifty million, four hundred ninety-one thousand, five hundred".