5457117545 has 12 divisors (see below), whose sum is σ = 7197983940. Its totient is φ = 3968812320.

The previous prime is 5457117541. The next prime is 5457117557.

5457117545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3216704656 + 2240412889 = 56716^2 + 47333^2 .

It is not a de Polignac number, because 5457117545 - 2² = 5457117541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5457117496 and 5457117505.

It is not an unprimeable number, because it can be changed into a prime (5457117541) 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, 4509410 + ... + 4510619.

It is an arithmetic number, because the mean of its divisors is an integer number (599831995).

Almost surely, 2^5457117545 is an apocalyptic number.

5457117545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5457117545 is a deficient number, since it is larger than the sum of its proper divisors (1740866395).

5457117545 is a wasteful number, since it uses less digits than its factorization.

5457117545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020056 (or 9020045 counting only the distinct ones).

The product of its digits is 490000, while the sum is 44.

The square root of 5457117545 is about 73872.3056699870. The cubic root of 5457117545 is about 1760.5746170621.

The spelling of 5457117545 in words is "five billion, four hundred fifty-seven million, one hundred seventeen thousand, five hundred forty-five".