545213514505200 has 120 divisors (see below), whose sum is σ = 1746757829617536. Its totient is φ = 145368859104000.

The previous prime is 545213514505199. The next prime is 545213514505271. The reversal of 545213514505200 is 2505415312545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×545213514505200² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25302766 + ... + 41601165.

Almost surely, 2^{545213514505200} is an apocalyptic number.

545213514505200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545213514505200 is an abundant number, since it is smaller than the sum of its proper divisors (1201544315112336).

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

545213514505200 is a wasteful number, since it uses less digits than its factorization.

545213514505200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66910743 (or 66910732 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 545213514505200 its reverse (2505415312545), we get a palindrome (547718929817745).

The spelling of 545213514505200 in words is "five hundred forty-five trillion, two hundred thirteen billion, five hundred fourteen million, five hundred five thousand, two hundred".