50509401 has 16 divisors (see below), whose sum is σ = 68819520. Its totient is φ = 32944320.

The previous prime is 50509379. The next prime is 50509409. The reversal of 50509401 is 10490505.

It is not a de Polignac number, because 50509401 - 2⁶ = 50509337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50509409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26211 + ... + 28071.

It is an arithmetic number, because the mean of its divisors is an integer number (4301220).

Almost surely, 2^50509401 is an apocalyptic number.

It is an amenable number.

50509401 is a deficient number, since it is larger than the sum of its proper divisors (18310119).

50509401 is a wasteful number, since it uses less digits than its factorization.

50509401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50509401 is about 7106.9966230469. The cubic root of 50509401 is about 369.6500245604.

Adding to 50509401 its reverse (10490505), we get a palindrome (60999906).

The spelling of 50509401 in words is "fifty million, five hundred nine thousand, four hundred one".