545704491 has 8 divisors (see below), whose sum is σ = 765901120. Its totient is φ = 344655432.

The previous prime is 545704477. The next prime is 545704493. The reversal of 545704491 is 194407545.

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

It is not a de Polignac number, because 545704491 - 2¹³ = 545696299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545704493) 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, 4786825 + ... + 4786938.

It is an arithmetic number, because the mean of its divisors is an integer number (95737640).

Almost surely, 2^545704491 is an apocalyptic number.

545704491 is a deficient number, since it is larger than the sum of its proper divisors (220196629).

545704491 is a wasteful number, since it uses less digits than its factorization.

545704491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573785.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 545704491 is about 23360.3187264215. The cubic root of 545704491 is about 817.1827226920.

The spelling of 545704491 in words is "five hundred forty-five million, seven hundred four thousand, four hundred ninety-one".