54621140 has 24 divisors (see below), whose sum is σ = 131091072. Its totient is φ = 18727200.

The previous prime is 54621131. The next prime is 54621167. The reversal of 54621140 is 4112645.

54621140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 194936 + ... + 195215.

It is an arithmetic number, because the mean of its divisors is an integer number (5462128).

Almost surely, 2^54621140 is an apocalyptic number.

It is an amenable number.

54621140 is an abundant number, since it is smaller than the sum of its proper divisors (76469932).

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

54621140 is a wasteful number, since it uses less digits than its factorization.

54621140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390167 (or 390165 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 54621140 is about 7390.6116120386. The cubic root of 54621140 is about 379.4200294044.

Adding to 54621140 its reverse (4112645), we get a palindrome (58733785).

The spelling of 54621140 in words is "fifty-four million, six hundred twenty-one thousand, one hundred forty".