57505453 has 2 divisors, whose sum is σ = 57505454. Its totient is φ = 57505452.

The previous prime is 57505439. The next prime is 57505499. The reversal of 57505453 is 35450575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56280004 + 1225449 = 7502^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 57505453 - 2⁵ = 57505421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57505433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28752726 + 28752727.

It is an arithmetic number, because the mean of its divisors is an integer number (28752727).

Almost surely, 2^57505453 is an apocalyptic number.

It is an amenable number.

57505453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57505453 is an equidigital number, since it uses as much as digits as its factorization.

57505453 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 57505453 is about 7583.2349956994. The cubic root of 57505453 is about 385.9843322768.

The spelling of 57505453 in words is "fifty-seven million, five hundred five thousand, four hundred fifty-three".