545063400 has 288 divisors, whose sum is σ = 2112364800. Its totient is φ = 123379200.

The previous prime is 545063293. The next prime is 545063437. The reversal of 545063400 is 4360545.

It is a super-2 number, since 2×545063400² = 594188220039120000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2280481 + ... + 2280719.

It is an arithmetic number, because the mean of its divisors is an integer number (7334600).

Almost surely, 2^545063400 is an apocalyptic number.

545063400 is a gapful number since it is divisible by the number (50) 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 545063400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056182400).

545063400 is an abundant number, since it is smaller than the sum of its proper divisors (1567301400).

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

545063400 is a wasteful number, since it uses less digits than its factorization.

545063400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 545063400 is about 23346.5928991791. The cubic root of 545063400 is about 816.8625898574.

The spelling of 545063400 in words is "five hundred forty-five million, sixty-three thousand, four hundred".