54100421251 has 2 divisors, whose sum is σ = 54100421252. Its totient is φ = 54100421250.

The previous prime is 54100421231. The next prime is 54100421293. The reversal of 54100421251 is 15212400145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54100421251 - 2²⁷ = 53966203523 is a prime.

It is not a weakly prime, because it can be changed into another prime (54100421231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27050210625 + 27050210626.

It is an arithmetic number, because the mean of its divisors is an integer number (27050210626).

Almost surely, 2^54100421251 is an apocalyptic number.

54100421251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54100421251 is an equidigital number, since it uses as much as digits as its factorization.

54100421251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 54100421251 its reverse (15212400145), we get a palindrome (69312821396).

The spelling of 54100421251 in words is "fifty-four billion, one hundred million, four hundred twenty-one thousand, two hundred fifty-one".