55154055001 has 2 divisors, whose sum is σ = 55154055002. Its totient is φ = 55154055000.

The previous prime is 55154054999. The next prime is 55154055029. The reversal of 55154055001 is 10055045155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53010457600 + 2143597401 = 230240^2 + 46299^2 .

It is a cyclic number.

It is not a de Polignac number, because 55154055001 - 2¹ = 55154054999 is a prime.

It is a super-3 number, since 3×55154055001³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 55154054999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55154055601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27577027500 + 27577027501.

It is an arithmetic number, because the mean of its divisors is an integer number (27577027501).

Almost surely, 2^55154055001 is an apocalyptic number.

It is an amenable number.

55154055001 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154055001 is an equidigital number, since it uses as much as digits as its factorization.

55154055001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 55154055001 in words is "fifty-five billion, one hundred fifty-four million, fifty-five thousand, one".