57480571549 has 2 divisors, whose sum is σ = 57480571550. Its totient is φ = 57480571548.

The previous prime is 57480571531. The next prime is 57480571573. The reversal of 57480571549 is 94517508475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32361491449 + 25119080100 = 179893^2 + 158490^2 .

It is a cyclic number.

It is not a de Polignac number, because 57480571549 - 2³⁵ = 23120833181 is a prime.

It is a super-2 number, since 2×57480571549² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57480571549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57480571529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740285774 + 28740285775.

It is an arithmetic number, because the mean of its divisors is an integer number (28740285775).

Almost surely, 2^57480571549 is an apocalyptic number.

It is an amenable number.

57480571549 is a deficient number, since it is larger than the sum of its proper divisors (1).

57480571549 is an equidigital number, since it uses as much as digits as its factorization.

57480571549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 57480571549 in words is "fifty-seven billion, four hundred eighty million, five hundred seventy-one thousand, five hundred forty-nine".