5401553 has 2 divisors, whose sum is σ = 5401554. Its totient is φ = 5401552.

The previous prime is 5401507. The next prime is 5401559. The reversal of 5401553 is 3551045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 2521744 = 1697^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401553 - 2²⁰ = 4352977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5401559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700776 + 2700777.

It is an arithmetic number, because the mean of its divisors is an integer number (2700777).

Almost surely, 2^5401553 is an apocalyptic number.

It is an amenable number.

5401553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401553 is an equidigital number, since it uses as much as digits as its factorization.

5401553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5401553 is about 2324.1241360994. The cubic root of 5401553 is about 175.4578811976.

Adding to 5401553 its reverse (3551045), we get a palindrome (8952598).

The spelling of 5401553 in words is "five million, four hundred one thousand, five hundred fifty-three".