545252210052 has 72 divisors (see below), whose sum is σ = 1405528584768. Its totient is φ = 164389135680.

The previous prime is 545252209963. The next prime is 545252210053. The reversal of 545252210052 is 250012252545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 545252209995 and 545252210022.

It is not an unprimeable number, because it can be changed into a prime (545252210053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667048 + ... + 1239135.

It is an arithmetic number, because the mean of its divisors is an integer number (19521230344).

Almost surely, 2^545252210052 is an apocalyptic number.

It is an amenable number.

545252210052 is an abundant number, since it is smaller than the sum of its proper divisors (860276374716).

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

545252210052 is a wasteful number, since it uses less digits than its factorization.

545252210052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906409 (or 1906396 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 545252210052 its reverse (250012252545), we get a palindrome (795264462597).

The spelling of 545252210052 in words is "five hundred forty-five billion, two hundred fifty-two million, two hundred ten thousand, fifty-two".