546561858 has 16 divisors (see below), whose sum is σ = 1098619200. Its totient is φ = 181271376.

The previous prime is 546561839. The next prime is 546561859. The reversal of 546561858 is 858165645.

It is not an unprimeable number, because it can be changed into a prime (546561859) 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, 227685 + ... + 230072.

It is an arithmetic number, because the mean of its divisors is an integer number (68663700).

Almost surely, 2^546561858 is an apocalyptic number.

546561858 is an abundant number, since it is smaller than the sum of its proper divisors (552057342).

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

546561858 is a wasteful number, since it uses less digits than its factorization.

546561858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457961.

The product of its digits is 1152000, while the sum is 48.

The square root of 546561858 is about 23378.6624510471. The cubic root of 546561858 is about 817.6104626800.

The spelling of 546561858 in words is "five hundred forty-six million, five hundred sixty-one thousand, eight hundred fifty-eight".