50638500 has 288 divisors, whose sum is σ = 185902080. Its totient is φ = 11880000.

The previous prime is 50638481. The next prime is 50638501. The reversal of 50638500 is 583605.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50638501) by changing a digit.

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, 1633485 + ... + 1633515.

Almost surely, 2^50638500 is an apocalyptic number.

50638500 is a gapful number since it is divisible by the number (50) 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 50638500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92951040).

50638500 is an abundant number, since it is smaller than the sum of its proper divisors (135263580).

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

50638500 is a wasteful number, since it uses less digits than its factorization.

50638500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 50638500 is about 7116.0733554398. The cubic root of 50638500 is about 369.9646910547.

The spelling of 50638500 in words is "fifty million, six hundred thirty-eight thousand, five hundred".