55672566451 has 2 divisors, whose sum is σ = 55672566452. Its totient is φ = 55672566450.

The previous prime is 55672566407. The next prime is 55672566457. The reversal of 55672566451 is 15466527655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55672566451 - 2¹¹ = 55672564403 is a prime.

It is not a weakly prime, because it can be changed into another prime (55672566457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27836283225 + 27836283226.

It is an arithmetic number, because the mean of its divisors is an integer number (27836283226).

Almost surely, 2^55672566451 is an apocalyptic number.

55672566451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55672566451 is an equidigital number, since it uses as much as digits as its factorization.

55672566451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560000, while the sum is 52.

The spelling of 55672566451 in words is "fifty-five billion, six hundred seventy-two million, five hundred sixty-six thousand, four hundred fifty-one".