54015251 has 2 divisors, whose sum is σ = 54015252. Its totient is φ = 54015250.

The previous prime is 54015229. The next prime is 54015263. The reversal of 54015251 is 15251045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54015251 - 2⁶ = 54015187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54015281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27007625 + 27007626.

It is an arithmetic number, because the mean of its divisors is an integer number (27007626).

Almost surely, 2^54015251 is an apocalyptic number.

54015251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54015251 is an equidigital number, since it uses as much as digits as its factorization.

54015251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 54015251 is about 7349.5068542046. The cubic root of 54015251 is about 378.0118950560.

Adding to 54015251 its reverse (15251045), we get a palindrome (69266296).

The spelling of 54015251 in words is "fifty-four million, fifteen thousand, two hundred fifty-one".