50606531 has 4 divisors (see below), whose sum is σ = 51247200. Its totient is φ = 49965864.

The previous prime is 50606513. The next prime is 50606561. The reversal of 50606531 is 13560605.

50606531 = 339² + 340² + ... + 575².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50606531 - 2¹⁸ = 50344387 is a prime.

It is a super-2 number, since 2×50606531² = 5122041959707922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50606531.

It is not an unprimeable number, because it can be changed into a prime (50606561) 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, 320216 + ... + 320373.

It is an arithmetic number, because the mean of its divisors is an integer number (12811800).

Almost surely, 2^50606531 is an apocalyptic number.

50606531 is a deficient number, since it is larger than the sum of its proper divisors (640669).

50606531 is an equidigital number, since it uses as much as digits as its factorization.

50606531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640668.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 50606531 is about 7113.8267479606. The cubic root of 50606531 is about 369.8868195338.

The spelling of 50606531 in words is "fifty million, six hundred six thousand, five hundred thirty-one".