52052403 has 16 divisors (see below), whose sum is σ = 76482560. Its totient is φ = 31286304.

The previous prime is 52052401. The next prime is 52052417. The reversal of 52052403 is 30425025.

It is not a de Polignac number, because 52052403 - 2¹ = 52052401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52052403.

It is not an unprimeable number, because it can be changed into a prime (52052401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13843 + ... + 17196.

It is an arithmetic number, because the mean of its divisors is an integer number (4780160).

Almost surely, 2^52052403 is an apocalyptic number.

52052403 is a deficient number, since it is larger than the sum of its proper divisors (24430157).

52052403 is a wasteful number, since it uses less digits than its factorization.

52052403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31098.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52052403 is about 7214.7351302733. The cubic root of 52052403 is about 373.3764548582.

Adding to 52052403 its reverse (30425025), we get a palindrome (82477428).

The spelling of 52052403 in words is "fifty-two million, fifty-two thousand, four hundred three".