545991635 has 16 divisors (see below), whose sum is σ = 792835776. Its totient is φ = 352370688.

The previous prime is 545991599. The next prime is 545991697. The reversal of 545991635 is 536199545.

It is a cyclic number.

It is not a de Polignac number, because 545991635 - 2⁸ = 545991379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545991635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458222 + ... + 459411.

It is an arithmetic number, because the mean of its divisors is an integer number (49552236).

Almost surely, 2^545991635 is an apocalyptic number.

545991635 is a deficient number, since it is larger than the sum of its proper divisors (246844141).

545991635 is a wasteful number, since it uses less digits than its factorization.

545991635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917662.

The product of its digits is 729000, while the sum is 47.

The square root of 545991635 is about 23366.4638959343. The cubic root of 545991635 is about 817.3260285624.

The spelling of 545991635 in words is "five hundred forty-five million, nine hundred ninety-one thousand, six hundred thirty-five".