57481453 has 2 divisors, whose sum is σ = 57481454. Its totient is φ = 57481452.

The previous prime is 57481447. The next prime is 57481469. The reversal of 57481453 is 35418475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37785609 + 19695844 = 6147^2 + 4438^2 .

It is a cyclic number.

It is not a de Polignac number, because 57481453 - 2¹³ = 57473261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57481433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740726 + 28740727.

It is an arithmetic number, because the mean of its divisors is an integer number (28740727).

Almost surely, 2^57481453 is an apocalyptic number.

It is an amenable number.

57481453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57481453 is an equidigital number, since it uses as much as digits as its factorization.

57481453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 57481453 is about 7581.6523924538. The cubic root of 57481453 is about 385.9306277293.

The spelling of 57481453 in words is "fifty-seven million, four hundred eighty-one thousand, four hundred fifty-three".