55154502451 has 2 divisors, whose sum is σ = 55154502452. Its totient is φ = 55154502450.

The previous prime is 55154502439. The next prime is 55154502457. The reversal of 55154502451 is 15420545155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55154502451 - 2⁷ = 55154502323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55154502451.

It is not a weakly prime, because it can be changed into another prime (55154502457) 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, 27577251225 + 27577251226.

It is an arithmetic number, because the mean of its divisors is an integer number (27577251226).

Almost surely, 2^55154502451 is an apocalyptic number.

55154502451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154502451 is an equidigital number, since it uses as much as digits as its factorization.

55154502451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 55154502451 in words is "fifty-five billion, one hundred fifty-four million, five hundred two thousand, four hundred fifty-one".