55402660451 has 2 divisors, whose sum is σ = 55402660452. Its totient is φ = 55402660450.

The previous prime is 55402660447. The next prime is 55402660457. The reversal of 55402660451 is 15406620455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55402660451 - 2² = 55402660447 is a prime.

It is not a weakly prime, because it can be changed into another prime (55402660457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27701330225 + 27701330226.

It is an arithmetic number, because the mean of its divisors is an integer number (27701330226).

Almost surely, 2^55402660451 is an apocalyptic number.

55402660451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55402660451 is an equidigital number, since it uses as much as digits as its factorization.

55402660451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 55402660451 in words is "fifty-five billion, four hundred two million, six hundred sixty thousand, four hundred fifty-one".