54445251 has 8 divisors (see below), whose sum is σ = 82964224. Its totient is φ = 31111560.

The previous prime is 54445249. The next prime is 54445277. The reversal of 54445251 is 15254445.

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

It is not a de Polignac number, because 54445251 - 2¹ = 54445249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54445201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296295 + ... + 1296336.

It is an arithmetic number, because the mean of its divisors is an integer number (10370528).

Almost surely, 2^54445251 is an apocalyptic number.

54445251 is a deficient number, since it is larger than the sum of its proper divisors (28518973).

54445251 is a wasteful number, since it uses less digits than its factorization.

54445251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592641.

The product of its digits is 16000, while the sum is 30.

The square root of 54445251 is about 7378.7025282227. The cubic root of 54445251 is about 379.0123266273.

Adding to 54445251 its reverse (15254445), we get a palindrome (69699696).

The spelling of 54445251 in words is "fifty-four million, four hundred forty-five thousand, two hundred fifty-one".