545630626 has 16 divisors (see below), whose sum is σ = 829909080. Its totient is φ = 269015040.

The previous prime is 545630573. The next prime is 545630627. The reversal of 545630626 is 626036545.

It can be written as a sum of positive squares in 4 ways, for example, as 544989025 + 641601 = 23345^2 + 801^2 .

It is not an unprimeable number, because it can be changed into a prime (545630627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49510 + ... + 59518.

Almost surely, 2^545630626 is an apocalyptic number.

545630626 is a deficient number, since it is larger than the sum of its proper divisors (284278454).

545630626 is a wasteful number, since it uses less digits than its factorization.

545630626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 545630626 is about 23358.7376799347. The cubic root of 545630626 is about 817.1458505225.

The spelling of 545630626 in words is "five hundred forty-five million, six hundred thirty thousand, six hundred twenty-six".