545215608 has 48 divisors (see below), whose sum is σ = 1687573680. Its totient is φ = 155775744.

The previous prime is 545215607. The next prime is 545215613. The reversal of 545215608 is 806512545.

545215608 is a `hidden beast` number, since 5 + 45 + 2 + 1 + 5 + 608 = 666.

545215608 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545215607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540385 + ... + 541392.

It is an arithmetic number, because the mean of its divisors is an integer number (35157785).

Almost surely, 2^545215608 is an apocalyptic number.

It is an amenable number.

545215608 is an abundant number, since it is smaller than the sum of its proper divisors (1142358072).

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

545215608 is a wasteful number, since it uses less digits than its factorization.

545215608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081796 (or 1081789 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 545215608 is about 23349.8524192338. The cubic root of 545215608 is about 816.9386185968.

It can be divided in two parts, 545 and 215608, that added together give a triangular number (216153 = T₆₅₇).

The spelling of 545215608 in words is "five hundred forty-five million, two hundred fifteen thousand, six hundred eight".