50636664 has 80 divisors (see below), whose sum is σ = 152764920. Its totient is φ = 15577920.

The previous prime is 50636647. The next prime is 50636699. The reversal of 50636664 is 46663605.

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5419 + ... + 11429.

Almost surely, 2^50636664 is an apocalyptic number.

50636664 is a gapful number since it is divisible by the number (54) 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 50636664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76382460).

50636664 is an abundant number, since it is smaller than the sum of its proper divisors (102128256).

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

50636664 is a wasteful number, since it uses less digits than its factorization.

50636664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 50636664 is about 7115.9443505413. The cubic root of 50636664 is about 369.9602197310.

The spelling of 50636664 in words is "fifty million, six hundred thirty-six thousand, six hundred sixty-four".