54450281 has 4 divisors (see below), whose sum is σ = 54866064. Its totient is φ = 54034500.

The previous prime is 54450233. The next prime is 54450283. The reversal of 54450281 is 18205445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54450281 - 2²² = 50255977 is a prime.

It is a super-2 number, since 2×54450281² = 5929666201957922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54450283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207695 + ... + 207956.

It is an arithmetic number, because the mean of its divisors is an integer number (13716516).

Almost surely, 2^54450281 is an apocalyptic number.

It is an amenable number.

54450281 is a deficient number, since it is larger than the sum of its proper divisors (415783).

54450281 is a wasteful number, since it uses less digits than its factorization.

54450281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415782.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 54450281 is about 7379.0433661824. The cubic root of 54450281 is about 379.0239981277.

The spelling of 54450281 in words is "fifty-four million, four hundred fifty thousand, two hundred eighty-one".