50161550 has 24 divisors (see below), whose sum is σ = 93576600. Its totient is φ = 20005280.

The previous prime is 50161547. The next prime is 50161567. The reversal of 50161550 is 5516105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18161 + ... + 20739.

It is an arithmetic number, because the mean of its divisors is an integer number (3899025).

Almost surely, 2^50161550 is an apocalyptic number.

50161550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50161550 is a deficient number, since it is larger than the sum of its proper divisors (43415050).

50161550 is a wasteful number, since it uses less digits than its factorization.

50161550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 50161550 is about 7082.4819096133. The cubic root of 50161550 is about 368.7994935003.

Adding to 50161550 its reverse (5516105), we get a palindrome (55677655).

The spelling of 50161550 in words is "fifty million, one hundred sixty-one thousand, five hundred fifty".