54563340 has 72 divisors (see below), whose sum is σ = 165464208. Its totient is φ = 13428480.

The previous prime is 54563281. The next prime is 54563351. The reversal of 54563340 is 4336545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54563298 and 54563307.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7450 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (2298114).

Almost surely, 2^54563340 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 54563340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82732104).

54563340 is an abundant number, since it is smaller than the sum of its proper divisors (110900868).

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

54563340 is a wasteful number, since it uses less digits than its factorization.

54563340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5404 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 54563340 is about 7386.7002105135. The cubic root of 54563340 is about 379.2861482865.

Adding to 54563340 its reverse (4336545), we get a palindrome (58899885).

The spelling of 54563340 in words is "fifty-four million, five hundred sixty-three thousand, three hundred forty".