55455423451 has 2 divisors, whose sum is σ = 55455423452. Its totient is φ = 55455423450.

The previous prime is 55455423307. The next prime is 55455423511. The reversal of 55455423451 is 15432455455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55455423451 - 2¹⁹ = 55454899163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55455423398 and 55455423407.

It is not a weakly prime, because it can be changed into another prime (55455463451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27727711725 + 27727711726.

It is an arithmetic number, because the mean of its divisors is an integer number (27727711726).

Almost surely, 2^55455423451 is an apocalyptic number.

55455423451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55455423451 is an equidigital number, since it uses as much as digits as its factorization.

55455423451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200000, while the sum is 43.

The spelling of 55455423451 in words is "fifty-five billion, four hundred fifty-five million, four hundred twenty-three thousand, four hundred fifty-one".