546505380 has 60 divisors (see below), whose sum is σ = 1714412700. Its totient is φ = 145734336.

The previous prime is 546505367. The next prime is 546505387. The reversal of 546505380 is 83505645.

It can be written as a sum of positive squares in 2 ways, for example, as 369562176 + 176943204 = 19224^2 + 13302^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is not an unprimeable number, because it can be changed into a prime (546505387) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 167055 + ... + 170294.

It is an arithmetic number, because the mean of its divisors is an integer number (28573545).

Almost surely, 2^546505380 is an apocalyptic number.

It is an amenable number.

546505380 is an abundant number, since it is smaller than the sum of its proper divisors (1167907320).

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

546505380 is a wasteful number, since it uses less digits than its factorization.

546505380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337370 (or 337359 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 546505380 is about 23377.4545235361. The cubic root of 546505380 is about 817.5822996010.

The spelling of 546505380 in words is "five hundred forty-six million, five hundred five thousand, three hundred eighty".