545452530 has 64 divisors (see below), whose sum is σ = 1517211648. Its totient is φ = 122915520.

The previous prime is 545452529. The next prime is 545452543. The reversal of 545452530 is 35254545.

It is a junction number, because it is equal to n+sod(n) for n = 545452491 and 545452500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3382 + ... + 33201.

It is an arithmetic number, because the mean of its divisors is an integer number (23706432).

Almost surely, 2^545452530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545452530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758605824).

545452530 is an abundant number, since it is smaller than the sum of its proper divisors (971759118).

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

545452530 is a wasteful number, since it uses less digits than its factorization.

545452530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36671.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 545452530 is about 23354.9251765019. The cubic root of 545452530 is about 817.0569342990.

It can be divided in two parts, 54545 and 2530, that added together give a palindrome (57075).

The spelling of 545452530 in words is "five hundred forty-five million, four hundred fifty-two thousand, five hundred thirty".