54221750 has 32 divisors (see below), whose sum is σ = 110736288. Its totient is φ = 19716000.

The previous prime is 54221743. The next prime is 54221771. The reversal of 54221750 is 5712245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7109 + ... + 12608.

It is an arithmetic number, because the mean of its divisors is an integer number (3460509).

Almost surely, 2^54221750 is an apocalyptic number.

54221750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54221750 is an abundant number, since it is smaller than the sum of its proper divisors (56514538).

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

54221750 is a wasteful number, since it uses less digits than its factorization.

54221750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19745 (or 19735 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 54221750 is about 7363.5419466450. The cubic root of 54221750 is about 378.4929926161.

Adding to 54221750 its reverse (5712245), we get a palindrome (59933995).

The spelling of 54221750 in words is "fifty-four million, two hundred twenty-one thousand, seven hundred fifty".