55102436251 has 2 divisors, whose sum is σ = 55102436252. Its totient is φ = 55102436250.

The previous prime is 55102436239. The next prime is 55102436269. The reversal of 55102436251 is 15263420155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55102436251 - 2²³ = 55094047643 is a prime.

It is not a weakly prime, because it can be changed into another prime (55106436251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551218125 + 27551218126.

It is an arithmetic number, because the mean of its divisors is an integer number (27551218126).

Almost surely, 2^55102436251 is an apocalyptic number.

55102436251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55102436251 is an equidigital number, since it uses as much as digits as its factorization.

55102436251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 55102436251 in words is "fifty-five billion, one hundred two million, four hundred thirty-six thousand, two hundred fifty-one".