5243503155 has 16 divisors (see below), whose sum is σ = 9152296704. Its totient is φ = 2542304480.

The previous prime is 5243503127. The next prime is 5243503183. The reversal of 5243503155 is 5513053425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5243503127) and next prime (5243503183).

It is not a de Polignac number, because 5243503155 - 2⁹ = 5243502643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15889239 + ... + 15889568.

It is an arithmetic number, because the mean of its divisors is an integer number (572018544).

Almost surely, 2^5243503155 is an apocalyptic number.

5243503155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5243503155 is a deficient number, since it is larger than the sum of its proper divisors (3908793549).

5243503155 is a wasteful number, since it uses less digits than its factorization.

5243503155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31778826.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 5243503155 is about 72412.0373625822. The cubic root of 5243503155 is about 1737.2960993236.

The spelling of 5243503155 in words is "five billion, two hundred forty-three million, five hundred three thousand, one hundred fifty-five".