54503773 has 2 divisors, whose sum is σ = 54503774. Its totient is φ = 54503772.

The previous prime is 54503737. The next prime is 54503783. The reversal of 54503773 is 37730545.

Together with previous prime (54503737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 363609 = 7358^2 + 603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54503773 is a prime.

It is a super-2 number, since 2×54503773² = 5941322542471058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54503783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27251886 + 27251887.

It is an arithmetic number, because the mean of its divisors is an integer number (27251887).

Almost surely, 2^54503773 is an apocalyptic number.

It is an amenable number.

54503773 is a deficient number, since it is larger than the sum of its proper divisors (1).

54503773 is an equidigital number, since it uses as much as digits as its factorization.

54503773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 54503773 is about 7382.6670654988. The cubic root of 54503773 is about 379.1480753326.

The spelling of 54503773 in words is "fifty-four million, five hundred three thousand, seven hundred seventy-three".