50789816 has 64 divisors (see below), whose sum is σ = 121685760. Its totient is φ = 19296000.

The previous prime is 50789813. The next prime is 50789833. The reversal of 50789816 is 61898705.

50789816 = 209² + 210² + ... + 544².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50789813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24251 + ... + 26261.

It is an arithmetic number, because the mean of its divisors is an integer number (1901340).

Almost surely, 2^50789816 is an apocalyptic number.

50789816 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 50789816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60842880).

50789816 is an abundant number, since it is smaller than the sum of its proper divisors (70895944).

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

50789816 is a wasteful number, since it uses less digits than its factorization.

50789816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 50789816 is about 7126.6974118451. The cubic root of 50789816 is about 370.3328293219.

Subtracting 50789816 from its reverse (61898705), we obtain a square (11108889 = 3333²).

The spelling of 50789816 in words is "fifty million, seven hundred eighty-nine thousand, eight hundred sixteen".