545949826 has 16 divisors (see below), whose sum is σ = 829513080. Its totient is φ = 269464320.

The previous prime is 545949799. The next prime is 545949829. The reversal of 545949826 is 628949545.

It can be written as a sum of positive squares in 4 ways, for example, as 538193601 + 7756225 = 23199^2 + 2785^2 .

It is a super-2 number, since 2×545949826² = 596122425018860552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545949829) 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, 55866 + ... + 64906.

Almost surely, 2^545949826 is an apocalyptic number.

545949826 is a deficient number, since it is larger than the sum of its proper divisors (283563254).

545949826 is a wasteful number, since it uses less digits than its factorization.

545949826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429.

The product of its digits is 3110400, while the sum is 52.

The square root of 545949826 is about 23365.5692419423. The cubic root of 545949826 is about 817.3051659374.

The spelling of 545949826 in words is "five hundred forty-five million, nine hundred forty-nine thousand, eight hundred twenty-six".