43255520253 has 48 divisors (see below), whose sum is σ = 70515174912. Its totient is φ = 25313472000.

The previous prime is 43255520207. The next prime is 43255520299. The reversal of 43255520253 is 35202555234.

43255520253 is a `hidden beast` number, since 4 + 32 + 55 + 520 + 2 + 53 = 666.

It is an interprime number because it is at equal distance from previous prime (43255520207) and next prime (43255520299).

It is not a de Polignac number, because 43255520253 - 2¹⁴ = 43255503869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43255520353) 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, 1387113 + ... + 1417953.

It is an arithmetic number, because the mean of its divisors is an integer number (1469066144).

Almost surely, 2^43255520253 is an apocalyptic number.

It is an amenable number.

43255520253 is a deficient number, since it is larger than the sum of its proper divisors (27259654659).

43255520253 is a wasteful number, since it uses less digits than its factorization.

43255520253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346 (or 31343 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 43255520253 in words is "forty-three billion, two hundred fifty-five million, five hundred twenty thousand, two hundred fifty-three".