50531573 has 2 divisors, whose sum is σ = 50531574. Its totient is φ = 50531572.

The previous prime is 50531567. The next prime is 50531587. The reversal of 50531573 is 37513505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41899729 + 8631844 = 6473^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 50531573 - 2¹⁴ = 50515189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50531513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25265786 + 25265787.

It is an arithmetic number, because the mean of its divisors is an integer number (25265787).

Almost surely, 2^50531573 is an apocalyptic number.

It is an amenable number.

50531573 is a deficient number, since it is larger than the sum of its proper divisors (1).

50531573 is an equidigital number, since it uses as much as digits as its factorization.

50531573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 50531573 is about 7108.5563231925. The cubic root of 50531573 is about 369.7041047991.

The spelling of 50531573 in words is "fifty million, five hundred thirty-one thousand, five hundred seventy-three".