54885553 has 2 divisors, whose sum is σ = 54885554. Its totient is φ = 54885552.

The previous prime is 54885539. The next prime is 54885557. The reversal of 54885553 is 35558845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 21904 = 7407^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 54885553 - 2⁹ = 54885041 is a prime.

It is not a weakly prime, because it can be changed into another prime (54885557) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27442776 + 27442777.

It is an arithmetic number, because the mean of its divisors is an integer number (27442777).

Almost surely, 2^54885553 is an apocalyptic number.

It is an amenable number.

54885553 is a deficient number, since it is larger than the sum of its proper divisors (1).

54885553 is an equidigital number, since it uses as much as digits as its factorization.

54885553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480000, while the sum is 43.

The square root of 54885553 is about 7408.4784537717. The cubic root of 54885553 is about 380.0312832048.

The spelling of 54885553 in words is "fifty-four million, eight hundred eighty-five thousand, five hundred fifty-three".