5457744477545 has 16 divisors (see below), whose sum is σ = 6616998127488. Its totient is φ = 4321061614080.

The previous prime is 5457744477509. The next prime is 5457744477571.

It is a happy number.

5457744477545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5457744477545 - 2¹⁰ = 5457744476521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19635932 + ... + 19911938.

It is an arithmetic number, because the mean of its divisors is an integer number (413562382968).

Almost surely, 2^{5457744477545} is an apocalyptic number.

It is an amenable number.

5457744477545 is a deficient number, since it is larger than the sum of its proper divisors (1159253649943).

5457744477545 is a wasteful number, since it uses less digits than its factorization.

5457744477545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316880.

The product of its digits is 1536640000, while the sum is 68.

The spelling of 5457744477545 in words is "five trillion, four hundred fifty-seven billion, seven hundred forty-four million, four hundred seventy-seven thousand, five hundred forty-five".