554526421 has 2 divisors, whose sum is σ = 554526422. Its totient is φ = 554526420.

The previous prime is 554526407. The next prime is 554526463. The reversal of 554526421 is 124625455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285238321 + 269288100 = 16889^2 + 16410^2 .

It is a cyclic number.

It is not a de Polignac number, because 554526421 - 2⁷ = 554526293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554526221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277263210 + 277263211.

It is an arithmetic number, because the mean of its divisors is an integer number (277263211).

Almost surely, 2^554526421 is an apocalyptic number.

It is an amenable number.

554526421 is a deficient number, since it is larger than the sum of its proper divisors (1).

554526421 is an equidigital number, since it uses as much as digits as its factorization.

554526421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The square root of 554526421 is about 23548.3846792089. The cubic root of 554526421 is about 821.5627648660.

The spelling of 554526421 in words is "five hundred fifty-four million, five hundred twenty-six thousand, four hundred twenty-one".