545252432 has 40 divisors (see below), whose sum is σ = 1109229600. Its totient is φ = 259281792.

The previous prime is 545252401. The next prime is 545252479. The reversal of 545252432 is 234252545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22319 + ... + 39857.

It is an arithmetic number, because the mean of its divisors is an integer number (27730740).

Almost surely, 2^545252432 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 545252432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554614800).

545252432 is an abundant number, since it is smaller than the sum of its proper divisors (563977168).

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

545252432 is a wasteful number, since it uses less digits than its factorization.

545252432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17643 (or 17637 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 545252432 is about 23350.6409333877. The cubic root of 545252432 is about 816.9570102630.

The spelling of 545252432 in words is "five hundred forty-five million, two hundred fifty-two thousand, four hundred thirty-two".