545995955 has 4 divisors (see below), whose sum is σ = 655195152. Its totient is φ = 436796760.

The previous prime is 545995907. The next prime is 545995969. The reversal of 545995955 is 559599545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545995955 - 2²⁶ = 478887091 is a prime.

It is a super-2 number, since 2×545995955² = 596223165752724050, 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 545995955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54599591 + ... + 54599600.

It is an arithmetic number, because the mean of its divisors is an integer number (163798788).

Almost surely, 2^545995955 is an apocalyptic number.

545995955 is a deficient number, since it is larger than the sum of its proper divisors (109199197).

545995955 is a wasteful number, since it uses less digits than its factorization.

545995955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109199196.

The product of its digits is 9112500, while the sum is 56.

The square root of 545995955 is about 23366.5563359259. The cubic root of 545995955 is about 817.3281841748.

The spelling of 545995955 in words is "five hundred forty-five million, nine hundred ninety-five thousand, nine hundred fifty-five".