545361408 has 120 divisors (see below), whose sum is σ = 1657055400. Its totient is φ = 172191744.

The previous prime is 545361373. The next prime is 545361409. The reversal of 545361408 is 804163545.

It is a happy number.

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 (545361409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84438 + ... + 90666.

It is an arithmetic number, because the mean of its divisors is an integer number (13808795).

Almost surely, 2^545361408 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 545361408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828527700).

545361408 is an abundant number, since it is smaller than the sum of its proper divisors (1111693992).

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

545361408 is a wasteful number, since it uses less digits than its factorization.

545361408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 545361408 is about 23352.9742859448. The cubic root of 545361408 is about 817.0114332369.

The spelling of 545361408 in words is "five hundred forty-five million, three hundred sixty-one thousand, four hundred eight".