52391303 has 4 divisors (see below), whose sum is σ = 55148760. Its totient is φ = 49633848.

The previous prime is 52391293. The next prime is 52391359. The reversal of 52391303 is 30319325.

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

It is a cyclic number.

It is not a de Polignac number, because 52391303 - 2⁸ = 52391047 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 (52391393) 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, 1378700 + ... + 1378737.

It is an arithmetic number, because the mean of its divisors is an integer number (13787190).

Almost surely, 2^52391303 is an apocalyptic number.

52391303 is a deficient number, since it is larger than the sum of its proper divisors (2757457).

52391303 is a wasteful number, since it uses less digits than its factorization.

52391303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757456.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 52391303 is about 7238.1836810073. The cubic root of 52391303 is about 374.1850224101.

The spelling of 52391303 in words is "fifty-two million, three hundred ninety-one thousand, three hundred three".