57748027 has 2 divisors, whose sum is σ = 57748028. Its totient is φ = 57748026.

The previous prime is 57748021. The next prime is 57748039. The reversal of 57748027 is 72084775.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57748027 is a prime.

It is not a weakly prime, because it can be changed into another prime (57748021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28874013 + 28874014.

It is an arithmetic number, because the mean of its divisors is an integer number (28874014).

Almost surely, 2^57748027 is an apocalyptic number.

57748027 is a deficient number, since it is larger than the sum of its proper divisors (1).

57748027 is an equidigital number, since it uses as much as digits as its factorization.

57748027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 57748027 is about 7599.2122618071. The cubic root of 57748027 is about 386.5263006993.

The spelling of 57748027 in words is "fifty-seven million, seven hundred forty-eight thousand, twenty-seven".