50491280 has 40 divisors (see below), whose sum is σ = 134164032. Its totient is φ = 17311104.

The previous prime is 50491277. The next prime is 50491289. The reversal of 50491280 is 8219405.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (50491289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44522 + ... + 45641.

Almost surely, 2^50491280 is an apocalyptic number.

It is an amenable number.

50491280 is an abundant number, since it is smaller than the sum of its proper divisors (83672752).

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

50491280 is a wasteful number, since it uses less digits than its factorization.

50491280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90183 (or 90177 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 50491280 is about 7105.7216382293. The cubic root of 50491280 is about 369.6058134553.

The spelling of 50491280 in words is "fifty million, four hundred ninety-one thousand, two hundred eighty".