57248111 has 2 divisors, whose sum is σ = 57248112. Its totient is φ = 57248110.

The previous prime is 57248099. The next prime is 57248137. The reversal of 57248111 is 11184275.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57248111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57248161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28624055 + 28624056.

It is an arithmetic number, because the mean of its divisors is an integer number (28624056).

Almost surely, 2^57248111 is an apocalyptic number.

57248111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57248111 is an equidigital number, since it uses as much as digits as its factorization.

57248111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The square root of 57248111 is about 7566.2481455474. The cubic root of 57248111 is about 385.4076998911.

The spelling of 57248111 in words is "fifty-seven million, two hundred forty-eight thousand, one hundred eleven".