50396390 has 32 divisors (see below), whose sum is σ = 102159360. Its totient is φ = 17733600.

The previous prime is 50396389. The next prime is 50396407. The reversal of 50396390 is 9369305.

50396390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50396390² = 5079592250064200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50396390.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3980 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (3192480).

Almost surely, 2^50396390 is an apocalyptic number.

50396390 is an abundant number, since it is smaller than the sum of its proper divisors (51762970).

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

50396390 is a wasteful number, since it uses less digits than its factorization.

50396390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14828.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 50396390 is about 7099.0414845949. The cubic root of 50396390 is about 369.3741306168.

The spelling of 50396390 in words is "fifty million, three hundred ninety-six thousand, three hundred ninety".