19550950 has 12 divisors (see below), whose sum is σ = 36364860. Its totient is φ = 7820360.

The previous prime is 19550929. The next prime is 19550953. The reversal of 19550950 is 5905591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19550953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195460 + ... + 195559.

It is an arithmetic number, because the mean of its divisors is an integer number (3030405).

Almost surely, 2^19550950 is an apocalyptic number.

19550950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19550950 is a deficient number, since it is larger than the sum of its proper divisors (16813910).

19550950 is a wasteful number, since it uses less digits than its factorization.

19550950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391031 (or 391026 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 19550950 is about 4421.6456212591. The cubic root of 19550950 is about 269.3948495376.

The spelling of 19550950 in words is "nineteen million, five hundred fifty thousand, nine hundred fifty".