545209752 has 32 divisors (see below), whose sum is σ = 1363982400. Its totient is φ = 181608864.

The previous prime is 545209739. The next prime is 545209757. The reversal of 545209752 is 257902545.

It is a self number, because there is not a number n which added to its sum of digits gives 545209752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545209757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30703 + ... + 45089.

It is an arithmetic number, because the mean of its divisors is an integer number (42624450).

Almost surely, 2^545209752 is an apocalyptic number.

It is an amenable number.

545209752 is an abundant number, since it is smaller than the sum of its proper divisors (818772648).

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

545209752 is a wasteful number, since it uses less digits than its factorization.

545209752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975 (or 15971 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 545209752 is about 23349.7270219590. The cubic root of 545209752 is about 816.9356937541.

The spelling of 545209752 in words is "five hundred forty-five million, two hundred nine thousand, seven hundred fifty-two".