57022549 has 2 divisors, whose sum is σ = 57022550. Its totient is φ = 57022548.

The previous prime is 57022531. The next prime is 57022579. The reversal of 57022549 is 94522075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 8162449 = 6990^2 + 2857^2 .

It is a cyclic number.

It is not a de Polignac number, because 57022549 - 2²³ = 48633941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57022529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28511274 + 28511275.

It is an arithmetic number, because the mean of its divisors is an integer number (28511275).

Almost surely, 2^57022549 is an apocalyptic number.

It is an amenable number.

57022549 is a deficient number, since it is larger than the sum of its proper divisors (1).

57022549 is an equidigital number, since it uses as much as digits as its factorization.

57022549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57022549 is about 7551.3276316155. The cubic root of 57022549 is about 384.9008548886.

The spelling of 57022549 in words is "fifty-seven million, twenty-two thousand, five hundred forty-nine".