3551552401 has 2 divisors, whose sum is σ = 3551552402. Its totient is φ = 3551552400.

The previous prime is 3551552369. The next prime is 3551552437. The reversal of 3551552401 is 1042551553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1883646801 + 1667905600 = 43401^2 + 40840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551552401 - 2⁵ = 3551552369 is a prime.

It is a super-2 number, since 2×3551552401² = 25227048914097729602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551552441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775776200 + 1775776201.

It is an arithmetic number, because the mean of its divisors is an integer number (1775776201).

Almost surely, 2^3551552401 is an apocalyptic number.

It is an amenable number.

3551552401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551552401 is an equidigital number, since it uses as much as digits as its factorization.

3551552401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 3551552401 is about 59594.9024749601. The cubic root of 3551552401 is about 1525.7126331263.

The spelling of 3551552401 in words is "three billion, five hundred fifty-one million, five hundred fifty-two thousand, four hundred one".