52403043 has 48 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 26505600.

The previous prime is 52403023. The next prime is 52403053. The reversal of 52403043 is 34030425.

It is a happy number.

It is not a de Polignac number, because 52403043 - 2⁵ = 52403011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (52403003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103930 + ... + 104432.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^52403043 is an apocalyptic number.

52403043 is a deficient number, since it is larger than the sum of its proper divisors (37687965).

52403043 is a wasteful number, since it uses less digits than its factorization.

52403043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52403043 is about 7238.9946125135. The cubic root of 52403043 is about 374.2129698227.

Adding to 52403043 its reverse (34030425), we get a palindrome (86433468).

The spelling of 52403043 in words is "fifty-two million, four hundred three thousand, forty-three".