545052678 has 8 divisors (see below), whose sum is σ = 1090105368. Its totient is φ = 181684224.

The previous prime is 545052671. The next prime is 545052707. The reversal of 545052678 is 876250545.

It is a sphenic number, since it is the product of 3 distinct primes.

545052678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545052671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45421051 + ... + 45421062.

It is an arithmetic number, because the mean of its divisors is an integer number (136263171).

Almost surely, 2^545052678 is an apocalyptic number.

545052678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545052678 is a wasteful number, since it uses less digits than its factorization.

545052678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90842118.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 545052678 is about 23346.3632713963. The cubic root of 545052678 is about 816.8572336253.

The spelling of 545052678 in words is "five hundred forty-five million, fifty-two thousand, six hundred seventy-eight".