57172607 has 2 divisors, whose sum is σ = 57172608. Its totient is φ = 57172606.

The previous prime is 57172559. The next prime is 57172613. The reversal of 57172607 is 70627175.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57172607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57172627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28586303 + 28586304.

It is an arithmetic number, because the mean of its divisors is an integer number (28586304).

Almost surely, 2^57172607 is an apocalyptic number.

57172607 is a deficient number, since it is larger than the sum of its proper divisors (1).

57172607 is an equidigital number, since it uses as much as digits as its factorization.

57172607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 57172607 is about 7561.2569722236. The cubic root of 57172607 is about 385.2381884725.

The spelling of 57172607 in words is "fifty-seven million, one hundred seventy-two thousand, six hundred seven".