545897376 has 72 divisors (see below), whose sum is σ = 1568480004. Its totient is φ = 180080640.

The previous prime is 545897351. The next prime is 545897393. The reversal of 545897376 is 673798545.

545897376 is a `hidden beast` number, since 54 + 589 + 7 + 3 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 532501776 + 13395600 = 23076^2 + 3660^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18166 + ... + 37706.

Almost surely, 2^545897376 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 545897376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784240002).

545897376 is an abundant number, since it is smaller than the sum of its proper divisors (1022582628).

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

545897376 is a wasteful number, since it uses less digits than its factorization.

545897376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19654 (or 19643 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 545897376 is about 23364.4468370214. The cubic root of 545897376 is about 817.2789919639.

The spelling of 545897376 in words is "five hundred forty-five million, eight hundred ninety-seven thousand, three hundred seventy-six".