57007147 has 2 divisors, whose sum is σ = 57007148. Its totient is φ = 57007146.

The previous prime is 57007129. The next prime is 57007169. The reversal of 57007147 is 74170075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57007147 - 2¹⁹ = 56482859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57007177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28503573 + 28503574.

It is an arithmetic number, because the mean of its divisors is an integer number (28503574).

Almost surely, 2^57007147 is an apocalyptic number.

57007147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57007147 is an equidigital number, since it uses as much as digits as its factorization.

57007147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 57007147 is about 7550.3077420725. The cubic root of 57007147 is about 384.8661973897.

The spelling of 57007147 in words is "fifty-seven million, seven thousand, one hundred forty-seven".