51950394 has 24 divisors (see below), whose sum is σ = 113559732. Its totient is φ = 17162880.

The previous prime is 51950363. The next prime is 51950401. The reversal of 51950394 is 49305915.

51950394 is a `hidden beast` number, since 519 + 50 + 3 + 94 = 666.

51950394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45765225 + 6185169 = 6765^2 + 2487^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10737 + ... + 14804.

Almost surely, 2^51950394 is an apocalyptic number.

51950394 is an abundant number, since it is smaller than the sum of its proper divisors (61609338).

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

51950394 is a wasteful number, since it uses less digits than its factorization.

51950394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662 (or 25659 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 51950394 is about 7207.6621729934. The cubic root of 51950394 is about 373.1323888506.

The spelling of 51950394 in words is "fifty-one million, nine hundred fifty thousand, three hundred ninety-four".