50666616 has 384 divisors, whose sum is σ = 199180800. Its totient is φ = 11197440.

The previous prime is 50666593. The next prime is 50666633. The reversal of 50666616 is 61666605.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1369350 + ... + 1369386.

It is an arithmetic number, because the mean of its divisors is an integer number (518700).

Almost surely, 2^50666616 is an apocalyptic number.

50666616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50666616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99590400).

50666616 is an abundant number, since it is smaller than the sum of its proper divisors (148514184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50666616 is a wasteful number, since it uses less digits than its factorization.

50666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 50666616 is about 7118.0486089939. The cubic root of 50666616 is about 370.0331501830.

It can be divided in two parts, 50 and 666616, that added together give a palindrome (666666).

The spelling of 50666616 in words is "fifty million, six hundred sixty-six thousand, six hundred sixteen".