54637573 has 2 divisors, whose sum is σ = 54637574. Its totient is φ = 54637572.

The previous prime is 54637523. The next prime is 54637577. The reversal of 54637573 is 37573645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50381604 + 4255969 = 7098^2 + 2063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54637573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54637577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27318786 + 27318787.

It is an arithmetic number, because the mean of its divisors is an integer number (27318787).

Almost surely, 2^54637573 is an apocalyptic number.

It is an amenable number.

54637573 is a deficient number, since it is larger than the sum of its proper divisors (1).

54637573 is an equidigital number, since it uses as much as digits as its factorization.

54637573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 40.

The square root of 54637573 is about 7391.7232767468. The cubic root of 54637573 is about 379.4580756271.

The spelling of 54637573 in words is "fifty-four million, six hundred thirty-seven thousand, five hundred seventy-three".