252555555503 has 4 divisors (see below), whose sum is σ = 253082811840. Its totient is φ = 252028299168.

The previous prime is 252555555487. The next prime is 252555555523. The reversal of 252555555503 is 305555555252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252555555503 - 2⁴ = 252555555487 is a prime.

It is a super-3 number, since 3×252555555503³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252555555523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263627450 + ... + 263628407.

It is an arithmetic number, because the mean of its divisors is an integer number (63270702960).

Almost surely, 2^252555555503 is an apocalyptic number.

252555555503 is a deficient number, since it is larger than the sum of its proper divisors (527256337).

252555555503 is an equidigital number, since it uses as much as digits as its factorization.

252555555503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527256336.

The product of its (nonzero) digits is 4687500, while the sum is 47.

The spelling of 252555555503 in words is "two hundred fifty-two billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred three".