4055555401 has 2 divisors, whose sum is σ = 4055555402. Its totient is φ = 4055555400.

The previous prime is 4055555321. The next prime is 4055555407. The reversal of 4055555401 is 1045555504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3097033801 + 958521600 = 55651^2 + 30960^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055555401 - 2⁹ = 4055554889 is a prime.

It is a super-2 number, since 2×4055555401² = 32895059221160541602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4055555407) 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, 2027777700 + 2027777701.

It is an arithmetic number, because the mean of its divisors is an integer number (2027777701).

Almost surely, 2^4055555401 is an apocalyptic number.

It is an amenable number.

4055555401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055555401 is an equidigital number, since it uses as much as digits as its factorization.

4055555401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 4055555401 is about 63683.2427016715. The cubic root of 4055555401 is about 1594.7163472617.

The spelling of 4055555401 in words is "four billion, fifty-five million, five hundred fifty-five thousand, four hundred one".