50661730 has 16 divisors (see below), whose sum is σ = 104218560. Its totient is φ = 17369712.

The previous prime is 50661727. The next prime is 50661739. The reversal of 50661730 is 3716605.

It is a super-2 number, since 2×50661730² = 5133221773185800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50661739) 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, 361800 + ... + 361939.

It is an arithmetic number, because the mean of its divisors is an integer number (6513660).

Almost surely, 2^50661730 is an apocalyptic number.

50661730 is an abundant number, since it is smaller than the sum of its proper divisors (53556830).

50661730 is a wasteful number, since it uses less digits than its factorization.

50661730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723753.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 50661730 is about 7117.7053886769. The cubic root of 50661730 is about 370.0212551705.

The spelling of 50661730 in words is "fifty million, six hundred sixty-one thousand, seven hundred thirty".