5457520257545 has 24 divisors (see below), whose sum is σ = 7018813669896. Its totient is φ = 4059682953728.

The previous prime is 5457520257523. The next prime is 5457520257589.

5457520257545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 719967523081 + 4737552734464 = 848509^2 + 2176592^2 .

It is not a de Polignac number, because 5457520257545 - 2¹⁰ = 5457520256521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4074482 + ... + 5245611.

It is an arithmetic number, because the mean of its divisors is an integer number (292450569579).

Almost surely, 2^{5457520257545} is an apocalyptic number.

It is an amenable number.

5457520257545 is a deficient number, since it is larger than the sum of its proper divisors (1561293412351).

5457520257545 is an equidigital number, since it uses as much as digits as its factorization.

5457520257545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9320281 (or 9320198 counting only the distinct ones).

The product of its (nonzero) digits is 49000000, while the sum is 56.

The spelling of 5457520257545 in words is "five trillion, four hundred fifty-seven billion, five hundred twenty million, two hundred fifty-seven thousand, five hundred forty-five".