5451557 has 2 divisors, whose sum is σ = 5451558. Its totient is φ = 5451556.

The previous prime is 5451547. The next prime is 5451559. The reversal of 5451557 is 7551545.

5451557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387041 + 64516 = 2321^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451557 - 2⁶ = 5451493 is a prime.

Together with 5451559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725778 + 2725779.

It is an arithmetic number, because the mean of its divisors is an integer number (2725779).

Almost surely, 2^5451557 is an apocalyptic number.

It is an amenable number.

5451557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451557 is an equidigital number, since it uses as much as digits as its factorization.

5451557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17500, while the sum is 32.

The square root of 5451557 is about 2334.8569549332. The cubic root of 5451557 is about 175.9976433052.

The spelling of 5451557 in words is "five million, four hundred fifty-one thousand, five hundred fifty-seven".