50540397 has 4 divisors (see below), whose sum is σ = 67387200. Its totient is φ = 33693596.

The previous prime is 50540389. The next prime is 50540411. The reversal of 50540397 is 79304505.

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 50540397 - 2³ = 50540389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50540317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423397 + ... + 8423402.

It is an arithmetic number, because the mean of its divisors is an integer number (16846800).

Almost surely, 2^50540397 is an apocalyptic number.

It is an amenable number.

50540397 is a deficient number, since it is larger than the sum of its proper divisors (16846803).

50540397 is a wasteful number, since it uses less digits than its factorization.

50540397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846802.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 50540397 is about 7109.1769565822. The cubic root of 50540397 is about 369.7256232212.

The spelling of 50540397 in words is "fifty million, five hundred forty thousand, three hundred ninety-seven".