54215340 has 48 divisors (see below), whose sum is σ = 152137440. Its totient is φ = 14425600.

The previous prime is 54215339. The next prime is 54215353. The reversal of 54215340 is 4351245.

54215340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54215340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41416 + ... + 42704.

It is an arithmetic number, because the mean of its divisors is an integer number (3169530).

Almost surely, 2^54215340 is an apocalyptic number.

It is an amenable number.

54215340 is an abundant number, since it is smaller than the sum of its proper divisors (97922100).

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

54215340 is a wasteful number, since it uses less digits than its factorization.

54215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54215340 is about 7363.1066812861. The cubic root of 54215340 is about 378.4780771028.

Adding to 54215340 its reverse (4351245), we get a palindrome (58566585).

The spelling of 54215340 in words is "fifty-four million, two hundred fifteen thousand, three hundred forty".