54227749 has 4 divisors (see below), whose sum is σ = 54754336. Its totient is φ = 53701164.

The previous prime is 54227743. The next prime is 54227783. The reversal of 54227749 is 94772245.

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 54227749 - 2⁵ = 54227717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54227743) 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, 263139 + ... + 263344.

It is an arithmetic number, because the mean of its divisors is an integer number (13688584).

Almost surely, 2^54227749 is an apocalyptic number.

It is an amenable number.

54227749 is a deficient number, since it is larger than the sum of its proper divisors (526587).

54227749 is a wasteful number, since it uses less digits than its factorization.

54227749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526586.

The product of its digits is 141120, while the sum is 40.

The square root of 54227749 is about 7363.9492801078. The cubic root of 54227749 is about 378.5069507032.

The spelling of 54227749 in words is "fifty-four million, two hundred twenty-seven thousand, seven hundred forty-nine".