50661723 has 16 divisors (see below), whose sum is σ = 78842880. Its totient is φ = 28333056.

The previous prime is 50661679. The next prime is 50661727. The reversal of 50661723 is 32716605.

It is not a de Polignac number, because 50661723 - 2⁹ = 50661211 is a prime.

It is a super-2 number, since 2×50661723² = 5133220354657458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50661727) 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, 24678 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (4927680).

Almost surely, 2^50661723 is an apocalyptic number.

50661723 is a deficient number, since it is larger than the sum of its proper divisors (28181157).

50661723 is a wasteful number, since it uses less digits than its factorization.

50661723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51386.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 50661723 is about 7117.7048969454. The cubic root of 50661723 is about 370.0212381284.

The spelling of 50661723 in words is "fifty million, six hundred sixty-one thousand, seven hundred twenty-three".