50697577 has 4 divisors (see below), whose sum is σ = 57940096. Its totient is φ = 43455060.

The previous prime is 50697541. The next prime is 50697593. The reversal of 50697577 is 77579605.

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 50697577 - 2¹⁹ = 50173289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50697277) 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, 3621249 + ... + 3621262.

It is an arithmetic number, because the mean of its divisors is an integer number (14485024).

Almost surely, 2^50697577 is an apocalyptic number.

It is an amenable number.

50697577 is a deficient number, since it is larger than the sum of its proper divisors (7242519).

50697577 is an equidigital number, since it uses as much as digits as its factorization.

50697577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242518.

The product of its (nonzero) digits is 463050, while the sum is 46.

The square root of 50697577 is about 7120.2231004372. The cubic root of 50697577 is about 370.1085072554.

The spelling of 50697577 in words is "fifty million, six hundred ninety-seven thousand, five hundred seventy-seven".