50643250 has 64 divisors (see below), whose sum is σ = 111032064. Its totient is φ = 16934400.

The previous prime is 50643211. The next prime is 50643259. The reversal of 50643250 is 5234605.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (50643259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74914 + ... + 75586.

It is an arithmetic number, because the mean of its divisors is an integer number (1734876).

Almost surely, 2^50643250 is an apocalyptic number.

50643250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50643250 is an abundant number, since it is smaller than the sum of its proper divisors (60388814).

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

50643250 is a wasteful number, since it uses less digits than its factorization.

50643250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 50643250 is about 7116.4070990915. The cubic root of 50643250 is about 369.9762585205.

Adding to 50643250 its reverse (5234605), we get a palindrome (55877855).

The spelling of 50643250 in words is "fifty million, six hundred forty-three thousand, two hundred fifty".