57550523 has 2 divisors, whose sum is σ = 57550524. Its totient is φ = 57550522.

The previous prime is 57550517. The next prime is 57550553. The reversal of 57550523 is 32505575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57550523 - 2⁶ = 57550459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57550523.

It is not a weakly prime, because it can be changed into another prime (57550553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28775261 + 28775262.

It is an arithmetic number, because the mean of its divisors is an integer number (28775262).

Almost surely, 2^57550523 is an apocalyptic number.

57550523 is a deficient number, since it is larger than the sum of its proper divisors (1).

57550523 is an equidigital number, since it uses as much as digits as its factorization.

57550523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 57550523 is about 7586.2061005485. The cubic root of 57550523 is about 386.0851445774.

The spelling of 57550523 in words is "fifty-seven million, five hundred fifty thousand, five hundred twenty-three".