50993390 has 16 divisors (see below), whose sum is σ = 104900832. Its totient is φ = 17483424.

The previous prime is 50993389. The next prime is 50993413. The reversal of 50993390 is 9339905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364169 + ... + 364308.

It is an arithmetic number, because the mean of its divisors is an integer number (6556302).

Almost surely, 2^50993390 is an apocalyptic number.

50993390 is an abundant number, since it is smaller than the sum of its proper divisors (53907442).

50993390 is a wasteful number, since it uses less digits than its factorization.

50993390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728491.

The product of its (nonzero) digits is 32805, while the sum is 38.

The square root of 50993390 is about 7140.9656209787. The cubic root of 50993390 is about 370.8269548483.

The spelling of 50993390 in words is "fifty million, nine hundred ninety-three thousand, three hundred ninety".