54252251 has 8 divisors (see below), whose sum is σ = 54947808. Its totient is φ = 53560000.

The previous prime is 54252227. The next prime is 54252259. The reversal of 54252251 is 15225245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54252251 - 2¹⁸ = 53990107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54252251.

It is not an unprimeable number, because it can be changed into a prime (54252259) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52106 + ... + 53136.

It is an arithmetic number, because the mean of its divisors is an integer number (6868476).

Almost surely, 2^54252251 is an apocalyptic number.

54252251 is a deficient number, since it is larger than the sum of its proper divisors (695557).

54252251 is a wasteful number, since it uses less digits than its factorization.

54252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its digits is 4000, while the sum is 26.

The square root of 54252251 is about 7365.6127375799. The cubic root of 54252251 is about 378.5639496937.

Adding to 54252251 its reverse (15225245), we get a palindrome (69477496).

The spelling of 54252251 in words is "fifty-four million, two hundred fifty-two thousand, two hundred fifty-one".