50442550 has 12 divisors (see below), whose sum is σ = 93823236. Its totient is φ = 20177000.

The previous prime is 50442541. The next prime is 50442551. The reversal of 50442550 is 5524405.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442551) 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 5 ways as a sum of consecutive naturals, for example, 504376 + ... + 504475.

It is an arithmetic number, because the mean of its divisors is an integer number (7818603).

Almost surely, 2^50442550 is an apocalyptic number.

50442550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50442550 is a deficient number, since it is larger than the sum of its proper divisors (43380686).

50442550 is a wasteful number, since it uses less digits than its factorization.

50442550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008863 (or 1008858 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 50442550 is about 7102.2918836105. The cubic root of 50442550 is about 369.4868708801.

Adding to 50442550 its reverse (5524405), we get a palindrome (55966955).

The spelling of 50442550 in words is "fifty million, four hundred forty-two thousand, five hundred fifty".