545689705 has 32 divisors (see below), whose sum is σ = 740275200. Its totient is φ = 382694400.

The previous prime is 545689691. The next prime is 545689717. The reversal of 545689705 is 507986545.

It is not a de Polignac number, because 545689705 - 2¹⁷ = 545558633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199336 + ... + 202054.

It is an arithmetic number, because the mean of its divisors is an integer number (23133600).

Almost surely, 2^545689705 is an apocalyptic number.

545689705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545689705 is a deficient number, since it is larger than the sum of its proper divisors (194585495).

545689705 is a wasteful number, since it uses less digits than its factorization.

545689705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 545689705 is about 23360.0022474314. The cubic root of 545689705 is about 817.1753420351.

The spelling of 545689705 in words is "five hundred forty-five million, six hundred eighty-nine thousand, seven hundred five".