545290626 has 32 divisors (see below), whose sum is σ = 1113189120. Its totient is φ = 178018704.

The previous prime is 545290607. The next prime is 545290643. The reversal of 545290626 is 626092545.

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, 97461 + ... + 102903.

It is an arithmetic number, because the mean of its divisors is an integer number (34787160).

Almost surely, 2^545290626 is an apocalyptic number.

545290626 is an abundant number, since it is smaller than the sum of its proper divisors (567898494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545290626 is a wasteful number, since it uses less digits than its factorization.

545290626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 545290626 is about 23351.4587552898. The cubic root of 545290626 is about 816.9760852979.

The spelling of 545290626 in words is "five hundred forty-five million, two hundred ninety thousand, six hundred twenty-six".