54253251 has 24 divisors (see below), whose sum is σ = 88067616. Its totient is φ = 31933440.

The previous prime is 54253247. The next prime is 54253259. The reversal of 54253251 is 15235245.

It is a happy number.

It is not a de Polignac number, because 54253251 - 2² = 54253247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54253259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7390 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (3669484).

Almost surely, 2^54253251 is an apocalyptic number.

54253251 is a deficient number, since it is larger than the sum of its proper divisors (33814365).

54253251 is a wasteful number, since it uses less digits than its factorization.

54253251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20203 (or 20200 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 54253251 is about 7365.6806202821. The cubic root of 54253251 is about 378.5662756287.

Adding to 54253251 its reverse (15235245), we get a palindrome (69488496).

The spelling of 54253251 in words is "fifty-four million, two hundred fifty-three thousand, two hundred fifty-one".