53502043 has 16 divisors (see below), whose sum is σ = 68152320. Its totient is φ = 40887936.

The previous prime is 53502041. The next prime is 53502047. The reversal of 53502043 is 34020535.

It is a cyclic number.

It is not a de Polignac number, because 53502043 - 2¹ = 53502041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53502041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9571 + ... + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (4259520).

Almost surely, 2^53502043 is an apocalyptic number.

53502043 is a deficient number, since it is larger than the sum of its proper divisors (14650277).

53502043 is a wasteful number, since it uses less digits than its factorization.

53502043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23706.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53502043 is about 7314.5090744355. The cubic root of 53502043 is about 376.8108984629.

Adding to 53502043 its reverse (34020535), we get a palindrome (87522578).

The spelling of 53502043 in words is "fifty-three million, five hundred two thousand, forty-three".