545117472 has 96 divisors (see below), whose sum is σ = 1616146560. Its totient is φ = 178709760.

The previous prime is 545117413. The next prime is 545117473. The reversal of 545117472 is 274711545.

545117472 is a `hidden beast` number, since 5 + 4 + 511 + 74 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 (545117473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47533 + ... + 57875.

It is an arithmetic number, because the mean of its divisors is an integer number (16834860).

Almost surely, 2^545117472 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 545117472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808073280).

545117472 is an abundant number, since it is smaller than the sum of its proper divisors (1071029088).

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

545117472 is a wasteful number, since it uses less digits than its factorization.

545117472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423 (or 10409 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 545117472 is about 23347.7508981058. The cubic root of 545117472 is about 816.8896007418.

The spelling of 545117472 in words is "five hundred forty-five million, one hundred seventeen thousand, four hundred seventy-two".