57485219453 has 2 divisors, whose sum is σ = 57485219454. Its totient is φ = 57485219452.

The previous prime is 57485219417. The next prime is 57485219459. The reversal of 57485219453 is 35491258475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31956210169 + 25529009284 = 178763^2 + 159778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57485219453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57485219395 and 57485219404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57485219459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742609726 + 28742609727.

It is an arithmetic number, because the mean of its divisors is an integer number (28742609727).

Almost surely, 2^57485219453 is an apocalyptic number.

It is an amenable number.

57485219453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485219453 is an equidigital number, since it uses as much as digits as its factorization.

57485219453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 53.

The spelling of 57485219453 in words is "fifty-seven billion, four hundred eighty-five million, two hundred nineteen thousand, four hundred fifty-three".