545890098545 has 16 divisors (see below), whose sum is σ = 718612067520. Its totient is φ = 394793035200.

The previous prime is 545890098541. The next prime is 545890098569.

545890098545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545890098545 - 2² = 545890098541 is a prime.

It is a super-2 number, since 2×545890098545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545890098541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27714386 + ... + 27734075.

It is an arithmetic number, because the mean of its divisors is an integer number (44913254220).

Almost surely, 2^545890098545 is an apocalyptic number.

545890098545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545890098545 is a deficient number, since it is larger than the sum of its proper divisors (172721968975).

545890098545 is a wasteful number, since it uses less digits than its factorization.

545890098545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55448656.

The product of its (nonzero) digits is 51840000, while the sum is 62.

The spelling of 545890098545 in words is "five hundred forty-five billion, eight hundred ninety million, ninety-eight thousand, five hundred forty-five".