57026747 has 2 divisors, whose sum is σ = 57026748. Its totient is φ = 57026746.

The previous prime is 57026743. The next prime is 57026819. The reversal of 57026747 is 74762075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57026747 - 2² = 57026743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57026747.

It is not a weakly prime, because it can be changed into another prime (57026743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28513373 + 28513374.

It is an arithmetic number, because the mean of its divisors is an integer number (28513374).

Almost surely, 2^57026747 is an apocalyptic number.

57026747 is a deficient number, since it is larger than the sum of its proper divisors (1).

57026747 is an equidigital number, since it uses as much as digits as its factorization.

57026747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 57026747 is about 7551.6055908661. The cubic root of 57026747 is about 384.9103001237.

The spelling of 57026747 in words is "fifty-seven million, twenty-six thousand, seven hundred forty-seven".