50415389 has 4 divisors (see below), whose sum is σ = 50518560. Its totient is φ = 50312220.

The previous prime is 50415383. The next prime is 50415401. The reversal of 50415389 is 98351405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50415389 - 2⁴ = 50415373 is a prime.

It is a super-2 number, since 2×50415389² = 5083422896042642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50415383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50849 + ... + 51830.

It is an arithmetic number, because the mean of its divisors is an integer number (12629640).

Almost surely, 2^50415389 is an apocalyptic number.

It is an amenable number.

50415389 is a deficient number, since it is larger than the sum of its proper divisors (103171).

50415389 is a wasteful number, since it uses less digits than its factorization.

50415389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103170.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 50415389 is about 7100.3794969001. The cubic root of 50415389 is about 369.4205417282.

The spelling of 50415389 in words is "fifty million, four hundred fifteen thousand, three hundred eighty-nine".