55103626451 has 2 divisors, whose sum is σ = 55103626452. Its totient is φ = 55103626450.

The previous prime is 55103626439. The next prime is 55103626453. The reversal of 55103626451 is 15462630155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55103626451 is a prime.

Together with 55103626453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55103626453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551813225 + 27551813226.

It is an arithmetic number, because the mean of its divisors is an integer number (27551813226).

Almost surely, 2^55103626451 is an apocalyptic number.

55103626451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103626451 is an equidigital number, since it uses as much as digits as its factorization.

55103626451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 55103626451 in words is "fifty-five billion, one hundred three million, six hundred twenty-six thousand, four hundred fifty-one".