553553401 has 2 divisors, whose sum is σ = 553553402. Its totient is φ = 553553400.

The previous prime is 553553393. The next prime is 553553419. The reversal of 553553401 is 104355355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447957225 + 105596176 = 21165^2 + 10276^2 .

It is a cyclic number.

It is not a de Polignac number, because 553553401 - 2³ = 553553393 is a prime.

It is not a weakly prime, because it can be changed into another prime (553553471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276776700 + 276776701.

It is an arithmetic number, because the mean of its divisors is an integer number (276776701).

Almost surely, 2^553553401 is an apocalyptic number.

It is an amenable number.

553553401 is a deficient number, since it is larger than the sum of its proper divisors (1).

553553401 is an equidigital number, since it uses as much as digits as its factorization.

553553401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 553553401 is about 23527.7155924667. The cubic root of 553553401 is about 821.0819551809.

The spelling of 553553401 in words is "five hundred fifty-three million, five hundred fifty-three thousand, four hundred one".