57098147 has 2 divisors, whose sum is σ = 57098148. Its totient is φ = 57098146.

The previous prime is 57098143. The next prime is 57098149. The reversal of 57098147 is 74189075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57098147 - 2² = 57098143 is a prime.

Together with 57098149, 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 (57098143) 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, 28549073 + 28549074.

It is an arithmetic number, because the mean of its divisors is an integer number (28549074).

Almost surely, 2^57098147 is an apocalyptic number.

57098147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57098147 is an equidigital number, since it uses as much as digits as its factorization.

57098147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 57098147 is about 7556.3315835133. The cubic root of 57098147 is about 385.0708746789.

The spelling of 57098147 in words is "fifty-seven million, ninety-eight thousand, one hundred forty-seven".