545515432 has 192 divisors, whose sum is σ = 1378944000. Its totient is φ = 201801600.

The previous prime is 545515429. The next prime is 545515469. The reversal of 545515432 is 234515545.

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 47 ways as a sum of consecutive naturals, for example, 10292718 + ... + 10292770.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^545515432 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 545515432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472000).

545515432 is an abundant number, since it is smaller than the sum of its proper divisors (833428568).

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

545515432 is a wasteful number, since it uses less digits than its factorization.

545515432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 104 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 545515432 is about 23356.2717915339. The cubic root of 545515432 is about 817.0883409671.

The spelling of 545515432 in words is "five hundred forty-five million, five hundred fifteen thousand, four hundred thirty-two".