54228516 has 36 divisors (see below), whose sum is σ = 128086896. Its totient is φ = 17856800.

The previous prime is 54228509. The next prime is 54228533. The reversal of 54228516 is 61582245.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122191 + ... + 122633.

Almost surely, 2^54228516 is an apocalyptic number.

It is an amenable number.

54228516 is an abundant number, since it is smaller than the sum of its proper divisors (73858380).

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

54228516 is a wasteful number, since it uses less digits than its factorization.

54228516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 549 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 54228516 is about 7364.0013579575. The cubic root of 54228516 is about 378.5087352352.

The spelling of 54228516 in words is "fifty-four million, two hundred twenty-eight thousand, five hundred sixteen".