50722531 has 2 divisors, whose sum is σ = 50722532. Its totient is φ = 50722530.

The previous prime is 50722519. The next prime is 50722549. The reversal of 50722531 is 13522705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50722531 - 2¹⁵ = 50689763 is a prime.

It is a super-2 number, since 2×50722531² = 5145550302091922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50722496 and 50722505.

It is not a weakly prime, because it can be changed into another prime (50722631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25361265 + 25361266.

It is an arithmetic number, because the mean of its divisors is an integer number (25361266).

Almost surely, 2^50722531 is an apocalyptic number.

50722531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50722531 is an equidigital number, since it uses as much as digits as its factorization.

50722531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 50722531 is about 7121.9752175924. The cubic root of 50722531 is about 370.1692213522.

The spelling of 50722531 in words is "fifty million, seven hundred twenty-two thousand, five hundred thirty-one".