54821268 has 36 divisors (see below), whose sum is σ = 143049088. Its totient is φ = 17683920.

The previous prime is 54821267. The next prime is 54821279. The reversal of 54821268 is 86212845.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54821267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23446 + ... + 25677.

Almost surely, 2^54821268 is an apocalyptic number.

It is an amenable number.

54821268 is an abundant number, since it is smaller than the sum of its proper divisors (88227820).

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

54821268 is a wasteful number, since it uses less digits than its factorization.

54821268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49164 (or 49159 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 54821268 is about 7404.1385724472. The cubic root of 54821268 is about 379.8828540101.

The spelling of 54821268 in words is "fifty-four million, eight hundred twenty-one thousand, two hundred sixty-eight".