50645730 has 32 divisors (see below), whose sum is σ = 122307264. Its totient is φ = 13421376.

The previous prime is 50645719. The next prime is 50645731. The reversal of 50645730 is 3754605.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50645731) 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 15 ways as a sum of consecutive naturals, for example, 289 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (3822102).

Almost surely, 2^50645730 is an apocalyptic number.

50645730 is an abundant number, since it is smaller than the sum of its proper divisors (71661534).

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

50645730 is a wasteful number, since it uses less digits than its factorization.

50645730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 50645730 is about 7116.5813421895. The cubic root of 50645730 is about 369.9822976678.

The spelling of 50645730 in words is "fifty million, six hundred forty-five thousand, seven hundred thirty".