545674600561 has 8 divisors (see below), whose sum is σ = 576629318880. Its totient is φ = 514943382528.

The previous prime is 545674600511. The next prime is 545674600567. The reversal of 545674600561 is 165006476545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545674600561 - 2³⁵ = 511314862193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545674600567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55870051 + ... + 55879816.

It is an arithmetic number, because the mean of its divisors is an integer number (72078664860).

Almost surely, 2^545674600561 is an apocalyptic number.

It is an amenable number.

545674600561 is a deficient number, since it is larger than the sum of its proper divisors (30954718319).

545674600561 is a wasteful number, since it uses less digits than its factorization.

545674600561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111750143.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 545674600561 in words is "five hundred forty-five billion, six hundred seventy-four million, six hundred thousand, five hundred sixty-one".