50611661 has 8 divisors (see below), whose sum is σ = 53809920. Its totient is φ = 47496592.

The previous prime is 50611651. The next prime is 50611667. The reversal of 50611661 is 16611605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50611661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50611661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50611667) 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 7 ways as a sum of consecutive naturals, for example, 19541 + ... + 21978.

It is an arithmetic number, because the mean of its divisors is an integer number (6726240).

Almost surely, 2^50611661 is an apocalyptic number.

It is an amenable number.

50611661 is a deficient number, since it is larger than the sum of its proper divisors (3198259).

50611661 is a wasteful number, since it uses less digits than its factorization.

50611661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41595.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 50611661 is about 7114.1873042534. The cubic root of 50611661 is about 369.8993176260.

It can be divided in two parts, 506 and 11661, that added together give a cube (12167 = 23³).

The spelling of 50611661 in words is "fifty million, six hundred eleven thousand, six hundred sixty-one".