546217920 has 168 divisors, whose sum is σ = 1900763280. Its totient is φ = 143953920.

The previous prime is 546217913. The next prime is 546217927. The reversal of 546217920 is 29712645.

546217920 is a `hidden beast` number, since 5 + 4 + 621 + 7 + 9 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (546217913) and next prime (546217927).

It is a super-2 number, since 2×546217920² = 596708032258252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546217927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255255 + ... + 257385.

Almost surely, 2^546217920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546217920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950381640).

546217920 is an abundant number, since it is smaller than the sum of its proper divisors (1354545360).

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

546217920 is a wasteful number, since it uses less digits than its factorization.

546217920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 546217920 is about 23371.3054834342. The cubic root of 546217920 is about 817.4389259427.

The spelling of 546217920 in words is "five hundred forty-six million, two hundred seventeen thousand, nine hundred twenty".