54503573 has 2 divisors, whose sum is σ = 54503574. Its totient is φ = 54503572.

The previous prime is 54503563. The next prime is 54503587. The reversal of 54503573 is 37530545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47914084 + 6589489 = 6922^2 + 2567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54503573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54503563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27251786 + 27251787.

It is an arithmetic number, because the mean of its divisors is an integer number (27251787).

Almost surely, 2^54503573 is an apocalyptic number.

It is an amenable number.

54503573 is a deficient number, since it is larger than the sum of its proper divisors (1).

54503573 is an equidigital number, since it uses as much as digits as its factorization.

54503573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 54503573 is about 7382.6535202460. The cubic root of 54503573 is about 379.1476115744.

The spelling of 54503573 in words is "fifty-four million, five hundred three thousand, five hundred seventy-three".