253025500553 has 4 divisors (see below), whose sum is σ = 289172000640. Its totient is φ = 216879000468.

The previous prime is 253025500549. The next prime is 253025500619. The reversal of 253025500553 is 355005520352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253025500553 - 2² = 253025500549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253025500253) 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, 18073250033 + ... + 18073250046.

It is an arithmetic number, because the mean of its divisors is an integer number (72293000160).

Almost surely, 2^253025500553 is an apocalyptic number.

It is an amenable number.

253025500553 is a deficient number, since it is larger than the sum of its proper divisors (36146500087).

253025500553 is an equidigital number, since it uses as much as digits as its factorization.

253025500553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36146500086.

The product of its (nonzero) digits is 112500, while the sum is 35.

The spelling of 253025500553 in words is "two hundred fifty-three billion, twenty-five million, five hundred thousand, five hundred fifty-three".