50661413 has 8 divisors (see below), whose sum is σ = 55558656. Its totient is φ = 45812800.

The previous prime is 50661389. The next prime is 50661431. The reversal of 50661413 is 31416605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50661413 - 2⁶ = 50661349 is a prime.

It is a super-3 number, since 3×50661413³ (a number of 24 digits) contains 333 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 (50661613) 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, 9956 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (6944832).

Almost surely, 2^50661413 is an apocalyptic number.

It is an amenable number.

50661413 is a deficient number, since it is larger than the sum of its proper divisors (4897243).

50661413 is a wasteful number, since it uses less digits than its factorization.

50661413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24315.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 50661413 is about 7117.6831202295. The cubic root of 50661413 is about 370.0204834046.

The spelling of 50661413 in words is "fifty million, six hundred sixty-one thousand, four hundred thirteen".