54545616 has 80 divisors (see below), whose sum is σ = 161656320. Its totient is φ = 17591040.

The previous prime is 54545609. The next prime is 54545653. The reversal of 54545616 is 61654545.

54545616 is a `hidden beast` number, since 54 + 545 + 61 + 6 = 666.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11356 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (2020704).

Almost surely, 2^54545616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54545616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80828160).

54545616 is an abundant number, since it is smaller than the sum of its proper divisors (107110704).

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

54545616 is a wasteful number, since it uses less digits than its factorization.

54545616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4109 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54545616 is about 7385.5003892763. The cubic root of 54545616 is about 379.2450755582.

The spelling of 54545616 in words is "fifty-four million, five hundred forty-five thousand, six hundred sixteen".