50820730 has 16 divisors (see below), whose sum is σ = 93709224. Its totient is φ = 19832320.

The previous prime is 50820727. The next prime is 50820739. The reversal of 50820730 is 3702805.

It can be written as a sum of positive squares in 4 ways, for example, as 44076321 + 6744409 = 6639^2 + 2597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50820695 and 50820704.

It is not an unprimeable number, because it can be changed into a prime (50820739) 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, 61567 + ... + 62386.

Almost surely, 2^50820730 is an apocalyptic number.

50820730 is a deficient number, since it is larger than the sum of its proper divisors (42888494).

50820730 is a wasteful number, since it uses less digits than its factorization.

50820730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124001.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 50820730 is about 7128.8659687218. The cubic root of 50820730 is about 370.4079503337.

The spelling of 50820730 in words is "fifty million, eight hundred twenty thousand, seven hundred thirty".