50531850 has 72 divisors (see below), whose sum is σ = 140824320. Its totient is φ = 13471920.

The previous prime is 50531821. The next prime is 50531857. The reversal of 50531850 is 5813505.

50531850 is a `hidden beast` number, since 50 + 531 + 85 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (50531857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10071 + ... + 14229.

Almost surely, 2^50531850 is an apocalyptic number.

50531850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50531850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70412160).

50531850 is an abundant number, since it is smaller than the sum of its proper divisors (90292470).

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

50531850 is a wasteful number, since it uses less digits than its factorization.

50531850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 50531850 is about 7108.5758067281. The cubic root of 50531850 is about 369.7047803362.

It can be divided in two parts, 5053 and 1850, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 50531850 in words is "fifty million, five hundred thirty-one thousand, eight hundred fifty".