52787903 has 4 divisors (see below), whose sum is σ = 60329040. Its totient is φ = 45246768.

The previous prime is 52787887. The next prime is 52787929. The reversal of 52787903 is 30978725.

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

It is not a de Polignac number, because 52787903 - 2⁴ = 52787887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52787963) 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 3 ways as a sum of consecutive naturals, for example, 3770558 + ... + 3770571.

It is an arithmetic number, because the mean of its divisors is an integer number (15082260).

Almost surely, 2^52787903 is an apocalyptic number.

52787903 is a deficient number, since it is larger than the sum of its proper divisors (7541137).

52787903 is an equidigital number, since it uses as much as digits as its factorization.

52787903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541136.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 52787903 is about 7265.5284047342. The cubic root of 52787903 is about 375.1268382792.

The spelling of 52787903 in words is "fifty-two million, seven hundred eighty-seven thousand, nine hundred three".