50871523 has 2 divisors, whose sum is σ = 50871524. Its totient is φ = 50871522.

The previous prime is 50871503. The next prime is 50871551. The reversal of 50871523 is 32517805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50871523 - 2²¹ = 48774371 is a prime.

It is not a weakly prime, because it can be changed into another prime (50871503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25435761 + 25435762.

It is an arithmetic number, because the mean of its divisors is an integer number (25435762).

Almost surely, 2^50871523 is an apocalyptic number.

50871523 is a deficient number, since it is larger than the sum of its proper divisors (1).

50871523 is an equidigital number, since it uses as much as digits as its factorization.

50871523 is an evil number, because the sum of its binary digits is even.

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

The square root of 50871523 is about 7132.4275671050. The cubic root of 50871523 is about 370.5313111915.

The spelling of 50871523 in words is "fifty million, eight hundred seventy-one thousand, five hundred twenty-three".