52739403 has 4 divisors (see below), whose sum is σ = 70319208. Its totient is φ = 35159600.

The previous prime is 52739381. The next prime is 52739431. The reversal of 52739403 is 30493725.

It is a happy number.

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 52739403 - 2⁸ = 52739147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52739803) 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, 8789898 + ... + 8789903.

It is an arithmetic number, because the mean of its divisors is an integer number (17579802).

Almost surely, 2^52739403 is an apocalyptic number.

52739403 is a deficient number, since it is larger than the sum of its proper divisors (17579805).

52739403 is a wasteful number, since it uses less digits than its factorization.

52739403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579804.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 52739403 is about 7262.1899589587. The cubic root of 52739403 is about 375.0119178435.

The spelling of 52739403 in words is "fifty-two million, seven hundred thirty-nine thousand, four hundred three".