545171740555 has 64 divisors (see below), whose sum is σ = 756776418048. Its totient is φ = 373427159040.

The previous prime is 545171740543. The next prime is 545171740559. The reversal of 545171740555 is 555047171545.

It is a de Polignac number, because none of the positive numbers 2^k-545171740555 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545171740499 and 545171740508.

It is not an unprimeable number, because it can be changed into a prime (545171740559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188835322 + ... + 188838208.

It is an arithmetic number, because the mean of its divisors is an integer number (11824631532).

Almost surely, 2^545171740555 is an apocalyptic number.

545171740555 is a deficient number, since it is larger than the sum of its proper divisors (211604677493).

545171740555 is a wasteful number, since it uses less digits than its factorization.

545171740555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336.

The product of its (nonzero) digits is 2450000, while the sum is 49.

The spelling of 545171740555 in words is "five hundred forty-five billion, one hundred seventy-one million, seven hundred forty thousand, five hundred fifty-five".