545032544 has 48 divisors (see below), whose sum is σ = 1230195456. Its totient is φ = 232848000.

The previous prime is 545032519. The next prime is 545032559. The reversal of 545032544 is 445230545.

It is a super-2 number, since 2×545032544² = 594120948038223872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 545032544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70469 + ... + 77819.

It is an arithmetic number, because the mean of its divisors is an integer number (25629072).

Almost surely, 2^545032544 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 545032544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615097728).

545032544 is an abundant number, since it is smaller than the sum of its proper divisors (685162912).

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

545032544 is a wasteful number, since it uses less digits than its factorization.

545032544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699 (or 7691 counting only the distinct ones).

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

The square root of 545032544 is about 23345.9320653513. The cubic root of 545032544 is about 816.8471753889.

The spelling of 545032544 in words is "five hundred forty-five million, thirty-two thousand, five hundred forty-four".