54680251 has 2 divisors, whose sum is σ = 54680252. Its totient is φ = 54680250.

The previous prime is 54680243. The next prime is 54680257. The reversal of 54680251 is 15208645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54680251 - 2³ = 54680243 is a prime.

It is not a weakly prime, because it can be changed into another prime (54680257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27340125 + 27340126.

It is an arithmetic number, because the mean of its divisors is an integer number (27340126).

Almost surely, 2^54680251 is an apocalyptic number.

54680251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54680251 is an equidigital number, since it uses as much as digits as its factorization.

54680251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 54680251 is about 7394.6095907762. The cubic root of 54680251 is about 379.5568495179.

Adding to 54680251 its reverse (15208645), we get a palindrome (69888896).

The spelling of 54680251 in words is "fifty-four million, six hundred eighty thousand, two hundred fifty-one".