50821005 has 8 divisors (see below), whose sum is σ = 81313632. Its totient is φ = 27104528.

The previous prime is 50821003. The next prime is 50821009. The reversal of 50821005 is 50012805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50821005 - 2¹ = 50821003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50821003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694019 + ... + 1694048.

It is an arithmetic number, because the mean of its divisors is an integer number (10164204).

Almost surely, 2^50821005 is an apocalyptic number.

It is an amenable number.

50821005 is a deficient number, since it is larger than the sum of its proper divisors (30492627).

50821005 is a wasteful number, since it uses less digits than its factorization.

50821005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388075.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 50821005 is about 7128.8852564759. The cubic root of 50821005 is about 370.4086184469.

The spelling of 50821005 in words is "fifty million, eight hundred twenty-one thousand, five".