545027616 has 576 divisors, whose sum is σ = 2113413120. Its totient is φ = 134369280.

The previous prime is 545027611. The next prime is 545027617. The reversal of 545027616 is 616720545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (545027611) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17581521 + ... + 17581551.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^545027616 is an apocalyptic number.

545027616 is a gapful number since it is divisible by the number (56) 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 545027616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056706560).

545027616 is an abundant number, since it is smaller than the sum of its proper divisors (1568385504).

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

545027616 is a wasteful number, since it uses less digits than its factorization.

545027616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 545027616 is about 23345.8265221003. The cubic root of 545027616 is about 816.8447134962.

The spelling of 545027616 in words is "five hundred forty-five million, twenty-seven thousand, six hundred sixteen".