501545532 has 12 divisors (see below), whose sum is σ = 1170272936. Its totient is φ = 167181840.

The previous prime is 501545531. The next prime is 501545533. The reversal of 501545532 is 235545105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (501545531) and next prime (501545533).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 501545532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501545531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20897719 + ... + 20897742.

Almost surely, 2^501545532 is an apocalyptic number.

It is an amenable number.

501545532 is an abundant number, since it is smaller than the sum of its proper divisors (668727404).

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

501545532 is a wasteful number, since it uses less digits than its factorization.

501545532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41795468 (or 41795466 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 501545532 is about 22395.2122561944. The cubic root of 501545532 is about 794.5174778521.

The spelling of 501545532 in words is "five hundred one million, five hundred forty-five thousand, five hundred thirty-two".