50611663 has 4 divisors (see below), whose sum is σ = 50922328. Its totient is φ = 50301000.

The previous prime is 50611651. The next prime is 50611667. The reversal of 50611663 is 36611605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50611663 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155088 + ... + 155413.

It is an arithmetic number, because the mean of its divisors is an integer number (12730582).

Almost surely, 2^50611663 is an apocalyptic number.

50611663 is a deficient number, since it is larger than the sum of its proper divisors (310665).

50611663 is a wasteful number, since it uses less digits than its factorization.

50611663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310664.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 50611663 is about 7114.1874448176. The cubic root of 50611663 is about 369.8993224984.

It can be divided in two parts, 5061 and 1663, that added together give a square (6724 = 82²).

The spelling of 50611663 in words is "fifty million, six hundred eleven thousand, six hundred sixty-three".