50285664 has 288 divisors, whose sum is σ = 178305120. Its totient is φ = 13685760.

The previous prime is 50285621. The next prime is 50285671. The reversal of 50285664 is 46658205.

50285664 = 52² + 53² + ... + 532².

It is a tau number, because it is divible by the number of its divisors (288).

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 47 ways as a sum of consecutive naturals, for example, 1359054 + ... + 1359090.

It is an arithmetic number, because the mean of its divisors is an integer number (619115).

Almost surely, 2^50285664 is an apocalyptic number.

50285664 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 50285664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89152560).

50285664 is an abundant number, since it is smaller than the sum of its proper divisors (128019456).

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

50285664 is a wasteful number, since it uses less digits than its factorization.

50285664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 50285664 is about 7091.2385378014. The cubic root of 50285664 is about 369.1034147320.

The spelling of 50285664 in words is "fifty million, two hundred eighty-five thousand, six hundred sixty-four".