50161650 has 192 divisors, whose sum is σ = 160275456. Its totient is φ = 10080000.

The previous prime is 50161649. The next prime is 50161669. The reversal of 50161650 is 5616105.

It is a super-2 number, since 2×50161650² = 5032382261445000, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50161650.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 496600 + ... + 496700.

It is an arithmetic number, because the mean of its divisors is an integer number (834768).

Almost surely, 2^50161650 is an apocalyptic number.

50161650 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 50161650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80137728).

50161650 is an abundant number, since it is smaller than the sum of its proper divisors (110113806).

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

50161650 is a wasteful number, since it uses less digits than its factorization.

50161650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50161650 is about 7082.4889692819. The cubic root of 50161650 is about 368.7997385747.

Adding to 50161650 its reverse (5616105), we get a palindrome (55777755).

It can be divided in two parts, 5016 and 1650, that added together give a palindrome (6666).

The spelling of 50161650 in words is "fifty million, one hundred sixty-one thousand, six hundred fifty".