52491571 has 16 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 46465120.

The previous prime is 52491559. The next prime is 52491583. The reversal of 52491571 is 17519425.

52491571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52491559) and next prime (52491583).

It is a cyclic number.

It is not a de Polignac number, because 52491571 - 2⁷ = 52491443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52491511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104106 + ... + 104608.

It is an arithmetic number, because the mean of its divisors is an integer number (3674160).

Almost surely, 2^52491571 is an apocalyptic number.

52491571 is a deficient number, since it is larger than the sum of its proper divisors (6294989).

52491571 is a wasteful number, since it uses less digits than its factorization.

52491571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 12600, while the sum is 34.

The square root of 52491571 is about 7245.1066934863. The cubic root of 52491571 is about 374.4235790168.

The spelling of 52491571 in words is "fifty-two million, four hundred ninety-one thousand, five hundred seventy-one".