50821485 has 128 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 20321280.

The previous prime is 50821457. The next prime is 50821487. The reversal of 50821485 is 58412805.

It is not a de Polignac number, because 50821485 - 2⁸ = 50821229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50821487) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1181874 + ... + 1181916.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^50821485 is an apocalyptic number.

50821485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50821485 is an abundant number, since it is smaller than the sum of its proper divisors (55623315).

50821485 is a wasteful number, since it uses less digits than its factorization.

50821485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 50821485 is about 7128.9189222490. The cubic root of 50821485 is about 370.4097846024.

The spelling of 50821485 in words is "fifty million, eight hundred twenty-one thousand, four hundred eighty-five".