52790403 has 4 divisors (see below), whose sum is σ = 70387208. Its totient is φ = 35193600.

The previous prime is 52790371. The next prime is 52790449. The reversal of 52790403 is 30409725.

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

It is not a de Polignac number, because 52790403 - 2⁵ = 52790371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52790473) 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, 8798398 + ... + 8798403.

It is an arithmetic number, because the mean of its divisors is an integer number (17596802).

Almost surely, 2^52790403 is an apocalyptic number.

52790403 is a deficient number, since it is larger than the sum of its proper divisors (17596805).

52790403 is a wasteful number, since it uses less digits than its factorization.

52790403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17596804.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52790403 is about 7265.7004479954. The cubic root of 52790403 is about 375.1327601049.

The spelling of 52790403 in words is "fifty-two million, seven hundred ninety thousand, four hundred three".