50782531 has 2 divisors, whose sum is σ = 50782532. Its totient is φ = 50782530.

The previous prime is 50782499. The next prime is 50782547. The reversal of 50782531 is 13528705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50782531 - 2⁵ = 50782499 is a prime.

It is a super-2 number, since 2×50782531² = 5157730909531922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50782493 and 50782502.

It is not a weakly prime, because it can be changed into another prime (50782331) 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 as a sum of consecutive naturals, namely, 25391265 + 25391266.

It is an arithmetic number, because the mean of its divisors is an integer number (25391266).

Almost surely, 2^50782531 is an apocalyptic number.

50782531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50782531 is an equidigital number, since it uses as much as digits as its factorization.

50782531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 50782531 is about 7126.1862872086. The cubic root of 50782531 is about 370.3151223360.

It can be divided in two parts, 507 and 82531, that added together give a palindrome (83038).

The spelling of 50782531 in words is "fifty million, seven hundred eighty-two thousand, five hundred thirty-one".