50275561 has 4 divisors (see below), whose sum is σ = 57457792. Its totient is φ = 43093332.

The previous prime is 50275549. The next prime is 50275567. The reversal of 50275561 is 16557205.

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 50275561 - 2¹⁷ = 50144489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50275567) 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, 3591105 + ... + 3591118.

It is an arithmetic number, because the mean of its divisors is an integer number (14364448).

Almost surely, 2^50275561 is an apocalyptic number.

It is an amenable number.

50275561 is a deficient number, since it is larger than the sum of its proper divisors (7182231).

50275561 is an equidigital number, since it uses as much as digits as its factorization.

50275561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182230.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 50275561 is about 7090.5261440883. The cubic root of 50275561 is about 369.0786939583.

The spelling of 50275561 in words is "fifty million, two hundred seventy-five thousand, five hundred sixty-one".