57623641 has 2 divisors, whose sum is σ = 57623642. Its totient is φ = 57623640.

The previous prime is 57623639. The next prime is 57623647. The reversal of 57623641 is 14632675.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 2433600 = 7429^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 57623641 - 2¹ = 57623639 is a prime.

Together with 57623639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 57623597 and 57623606.

It is not a weakly prime, because it can be changed into another prime (57623647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28811820 + 28811821.

It is an arithmetic number, because the mean of its divisors is an integer number (28811821).

Almost surely, 2^57623641 is an apocalyptic number.

It is an amenable number.

57623641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57623641 is an equidigital number, since it uses as much as digits as its factorization.

57623641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 57623641 is about 7591.0237122538. The cubic root of 57623641 is about 386.2485825749.

The spelling of 57623641 in words is "fifty-seven million, six hundred twenty-three thousand, six hundred forty-one".