54516420 has 144 divisors (see below), whose sum is σ = 193065600. Its totient is φ = 12446784.

The previous prime is 54516391. The next prime is 54516439. The reversal of 54516420 is 2461545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61299 + ... + 62181.

Almost surely, 2^54516420 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 54516420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96532800).

54516420 is an abundant number, since it is smaller than the sum of its proper divisors (138549180).

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

54516420 is a wasteful number, since it uses less digits than its factorization.

54516420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54516420 is about 7383.5235490923. The cubic root of 54516420 is about 379.1773987758.

Adding to 54516420 its reverse (2461545), we get a palindrome (56977965).

The spelling of 54516420 in words is "fifty-four million, five hundred sixteen thousand, four hundred twenty".