545497524 has 288 divisors, whose sum is σ = 1772624000. Its totient is φ = 144555840.

The previous prime is 545497507. The next prime is 545497529. The reversal of 545497524 is 425794545.

545497524 is a `hidden beast` number, since 54 + 549 + 7 + 52 + 4 = 666.

Its product of digits (1008000) is a multiple of the sum of its prime divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 545497524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545497529) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 28710387 + ... + 28710405.

Almost surely, 2^545497524 is an apocalyptic number.

545497524 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545497524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886312000).

545497524 is an abundant number, since it is smaller than the sum of its proper divisors (1227126476).

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

545497524 is a wasteful number, since it uses less digits than its factorization.

545497524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 48 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 545497524 is about 23355.8884224086. Note that the first 3 decimals coincide. The cubic root of 545497524 is about 817.0793998341.

The spelling of 545497524 in words is "five hundred forty-five million, four hundred ninety-seven thousand, five hundred twenty-four".