50521856 has 108 divisors (see below), whose sum is σ = 127226736. Its totient is φ = 19599360.

The previous prime is 50521787. The next prime is 50521873. The reversal of 50521856 is 65812505.

It is a super-3 number, since 3×50521856³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216716 + ... + 216948.

Almost surely, 2^50521856 is an apocalyptic number.

50521856 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 50521856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63613368).

50521856 is an abundant number, since it is smaller than the sum of its proper divisors (76704880).

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

50521856 is a wasteful number, since it uses less digits than its factorization.

50521856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 50521856 is about 7107.8728182207. The cubic root of 50521856 is about 369.6804057870.

The spelling of 50521856 in words is "fifty million, five hundred twenty-one thousand, eight hundred fifty-six".