545897340 has 96 divisors (see below), whose sum is σ = 1703257920. Its totient is φ = 145152000.

The previous prime is 545897333. The next prime is 545897351. The reversal of 545897340 is 43798545.

545897340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215280 + ... + 217800.

It is an arithmetic number, because the mean of its divisors is an integer number (17742270).

Almost surely, 2^545897340 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 545897340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851628960).

545897340 is an abundant number, since it is smaller than the sum of its proper divisors (1157360580).

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

545897340 is a wasteful number, since it uses less digits than its factorization.

545897340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 545897340 is about 23364.4460666201. The cubic root of 545897340 is about 817.2789739984.

The spelling of 545897340 in words is "five hundred forty-five million, eight hundred ninety-seven thousand, three hundred forty".