545641026 has 16 divisors (see below), whose sum is σ = 1247179584. Its totient is φ = 155897424.

The previous prime is 545640973. The next prime is 545641037. The reversal of 545641026 is 620146545.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6495685 + ... + 6495768.

It is an arithmetic number, because the mean of its divisors is an integer number (77948724).

Almost surely, 2^545641026 is an apocalyptic number.

545641026 is an abundant number, since it is smaller than the sum of its proper divisors (701538558).

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

545641026 is a wasteful number, since it uses less digits than its factorization.

545641026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12991465.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 545641026 is about 23358.9602936432. The cubic root of 545641026 is about 817.1510422294.

The spelling of 545641026 in words is "five hundred forty-five million, six hundred forty-one thousand, twenty-six".