50561005 has 16 divisors (see below), whose sum is σ = 66328704. Its totient is φ = 36694080.

The previous prime is 50561003. The next prime is 50561011. The reversal of 50561005 is 50016505.

It is not a de Polignac number, because 50561005 - 2¹ = 50561003 is a prime.

It is a super-2 number, since 2×50561005² = 5112830453220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44707 + ... + 45823.

It is an arithmetic number, because the mean of its divisors is an integer number (4145544).

Almost surely, 2^50561005 is an apocalyptic number.

50561005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50561005 is a deficient number, since it is larger than the sum of its proper divisors (15767699).

50561005 is a wasteful number, since it uses less digits than its factorization.

50561005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 50561005 is about 7110.6262030851. The cubic root of 50561005 is about 369.7758686403.

The spelling of 50561005 in words is "fifty million, five hundred sixty-one thousand, five".