57273503 has 6 divisors (see below), whose sum is σ = 66624336. Its totient is φ = 49091532.

The previous prime is 57273479. The next prime is 57273509. The reversal of 57273503 is 30537275.

It is not a de Polignac number, because 57273503 - 2⁶ = 57273439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57273503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57273509) 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 in 5 ways as a sum of consecutive naturals, for example, 584375 + ... + 584472.

It is an arithmetic number, because the mean of its divisors is an integer number (11104056).

Almost surely, 2^57273503 is an apocalyptic number.

57273503 is a deficient number, since it is larger than the sum of its proper divisors (9350833).

57273503 is a wasteful number, since it uses less digits than its factorization.

57273503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168861 (or 1168854 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 57273503 is about 7567.9259377983. The cubic root of 57273503 is about 385.4646731001.

The spelling of 57273503 in words is "fifty-seven million, two hundred seventy-three thousand, five hundred three".