57504553 has 2 divisors, whose sum is σ = 57504554. Its totient is φ = 57504552.

The previous prime is 57504541. The next prime is 57504563. The reversal of 57504553 is 35540575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47844889 + 9659664 = 6917^2 + 3108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57504553 is a prime.

It is not a weakly prime, because it can be changed into another prime (57504563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28752276 + 28752277.

It is an arithmetic number, because the mean of its divisors is an integer number (28752277).

Almost surely, 2^57504553 is an apocalyptic number.

It is an amenable number.

57504553 is a deficient number, since it is larger than the sum of its proper divisors (1).

57504553 is an equidigital number, since it uses as much as digits as its factorization.

57504553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 57504553 is about 7583.1756540384. The cubic root of 57504553 is about 385.9823186260.

The spelling of 57504553 in words is "fifty-seven million, five hundred four thousand, five hundred fifty-three".