57652391 has 2 divisors, whose sum is σ = 57652392. Its totient is φ = 57652390.

The previous prime is 57652373. The next prime is 57652417. The reversal of 57652391 is 19325675.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57652391 - 2¹⁰ = 57651367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57652291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28826195 + 28826196.

It is an arithmetic number, because the mean of its divisors is an integer number (28826196).

Almost surely, 2^57652391 is an apocalyptic number.

57652391 is a deficient number, since it is larger than the sum of its proper divisors (1).

57652391 is an equidigital number, since it uses as much as digits as its factorization.

57652391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 57652391 is about 7592.9171600907. The cubic root of 57652391 is about 386.3128085319.

The spelling of 57652391 in words is "fifty-seven million, six hundred fifty-two thousand, three hundred ninety-one".