546426881 has 24 divisors (see below), whose sum is σ = 746774784. Its totient is φ = 393029280.

The previous prime is 546426823. The next prime is 546426883. The reversal of 546426881 is 188624645.

It is a happy number.

It is not a de Polignac number, because 546426881 - 2¹⁸ = 546164737 is a prime.

It is a super-2 number, since 2×546426881² = 597164672558776322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546426883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31985 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (31115616).

Almost surely, 2^546426881 is an apocalyptic number.

It is an amenable number.

546426881 is a deficient number, since it is larger than the sum of its proper divisors (200347903).

546426881 is a wasteful number, since it uses less digits than its factorization.

546426881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78021 (or 78014 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 546426881 is about 23375.7755165470. The cubic root of 546426881 is about 817.5431524011.

The spelling of 546426881 in words is "five hundred forty-six million, four hundred twenty-six thousand, eight hundred eighty-one".