50566537 has 4 divisors (see below), whose sum is σ = 57790336. Its totient is φ = 43342740.

The previous prime is 50566519. The next prime is 50566547. The reversal of 50566537 is 73566505.

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 not a de Polignac number, because 50566537 - 2¹⁹ = 50042249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50566496 and 50566505.

It is not an unprimeable number, because it can be changed into a prime (50566547) 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, 3611889 + ... + 3611902.

It is an arithmetic number, because the mean of its divisors is an integer number (14447584).

Almost surely, 2^50566537 is an apocalyptic number.

It is an amenable number.

50566537 is a deficient number, since it is larger than the sum of its proper divisors (7223799).

50566537 is an equidigital number, since it uses as much as digits as its factorization.

50566537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223798.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 50566537 is about 7111.0151877211. The cubic root of 50566537 is about 369.7893541680.

The spelling of 50566537 in words is "fifty million, five hundred sixty-six thousand, five hundred thirty-seven".