57105321453 has 12 divisors (see below), whose sum is σ = 82488589248. Its totient is φ = 38068772040.

The previous prime is 57105321439. The next prime is 57105321463. The reversal of 57105321453 is 35412350175.

57105321453 is a `hidden beast` number, since 5 + 71 + 0 + 532 + 1 + 4 + 53 = 666.

It is not a de Polignac number, because 57105321453 - 2¹⁰ = 57105320429 is a prime.

It is a super-2 number, since 2×57105321453² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57105321463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166588 + ... + 376778.

It is an arithmetic number, because the mean of its divisors is an integer number (6874049104).

Almost surely, 2^57105321453 is an apocalyptic number.

It is an amenable number.

57105321453 is a deficient number, since it is larger than the sum of its proper divisors (25383267795).

57105321453 is a wasteful number, since it uses less digits than its factorization.

57105321453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240384 (or 240381 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 57105321453 in words is "fifty-seven billion, one hundred five million, three hundred twenty-one thousand, four hundred fifty-three".