545788887545 has 32 divisors (see below), whose sum is σ = 718566522624. Its totient is φ = 394677504000.

The previous prime is 545788887503. The next prime is 545788887547.

545788887545 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-545788887545 is a prime.

It is a super-2 number, since 2×545788887545² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545788887547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6863684 + ... + 6942746.

It is an arithmetic number, because the mean of its divisors is an integer number (22455203832).

Almost surely, 2^545788887545 is an apocalyptic number.

545788887545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545788887545 is a deficient number, since it is larger than the sum of its proper divisors (172777635079).

545788887545 is a wasteful number, since it uses less digits than its factorization.

545788887545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79793.

The product of its digits is 2007040000, while the sum is 74.

The spelling of 545788887545 in words is "five hundred forty-five billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, five hundred forty-five".