57655667 has 2 divisors, whose sum is σ = 57655668. Its totient is φ = 57655666.

The previous prime is 57655639. The next prime is 57655669. The reversal of 57655667 is 76655675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57655667 - 2⁶ = 57655603 is a prime.

Together with 57655669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57655669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28827833 + 28827834.

It is an arithmetic number, because the mean of its divisors is an integer number (28827834).

Almost surely, 2^57655667 is an apocalyptic number.

57655667 is a deficient number, since it is larger than the sum of its proper divisors (1).

57655667 is an equidigital number, since it uses as much as digits as its factorization.

57655667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323000, while the sum is 47.

The square root of 57655667 is about 7593.1328843897. The cubic root of 57655667 is about 386.3201255848.

The spelling of 57655667 in words is "fifty-seven million, six hundred fifty-five thousand, six hundred sixty-seven".