57542503 has 4 divisors (see below), whose sum is σ = 57772008. Its totient is φ = 57313000.

The previous prime is 57542497. The next prime is 57542509. The reversal of 57542503 is 30524575.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57542497) and next prime (57542509).

It is a cyclic number.

It is not a de Polignac number, because 57542503 - 2¹³ = 57534311 is a prime.

It is a super-2 number, since 2×57542503² = 6622279303010018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57542509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114376 + ... + 114877.

It is an arithmetic number, because the mean of its divisors is an integer number (14443002).

Almost surely, 2^57542503 is an apocalyptic number.

57542503 is a deficient number, since it is larger than the sum of its proper divisors (229505).

57542503 is a wasteful number, since it uses less digits than its factorization.

57542503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229504.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 57542503 is about 7585.6774911672. The cubic root of 57542503 is about 386.0672093410.

The spelling of 57542503 in words is "fifty-seven million, five hundred forty-two thousand, five hundred three".