545996899 has 8 divisors (see below), whose sum is σ = 625603680. Its totient is φ = 466791936.

The previous prime is 545996881. The next prime is 545996947. The reversal of 545996899 is 998699545.

It is a happy number.

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 545996899 - 2¹¹ = 545994851 is a prime.

It is a super-2 number, since 2×545996899² = 596225227435232402, which contains 22 as substring.

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 545996899.

It is not an unprimeable number, because it can be changed into a prime (545996999) 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, 97534 + ... + 102979.

It is an arithmetic number, because the mean of its divisors is an integer number (78200460).

Almost surely, 2^545996899 is an apocalyptic number.

545996899 is a deficient number, since it is larger than the sum of its proper divisors (79606781).

545996899 is a wasteful number, since it uses less digits than its factorization.

545996899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200909.

The product of its digits is 31492800, while the sum is 64.

The square root of 545996899 is about 23366.5765357273. The cubic root of 545996899 is about 817.3286552146.

The spelling of 545996899 in words is "five hundred forty-five million, nine hundred ninety-six thousand, eight hundred ninety-nine".