254520435513055 has 4 divisors (see below), whose sum is σ = 305424522615672. Its totient is φ = 203616348410440.

The previous prime is 254520435513053. The next prime is 254520435513059. The reversal of 254520435513055 is 550315534025452.

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

It is not a de Polignac number, because 254520435513055 - 2¹ = 254520435513053 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254520435513053) 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, 25452043551301 + ... + 25452043551310.

It is an arithmetic number, because the mean of its divisors is an integer number (76356130653918).

Almost surely, 2^{254520435513055} is an apocalyptic number.

254520435513055 is a deficient number, since it is larger than the sum of its proper divisors (50904087102617).

254520435513055 is an equidigital number, since it uses as much as digits as its factorization.

254520435513055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50904087102616.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 254520435513055 in words is "two hundred fifty-four trillion, five hundred twenty billion, four hundred thirty-five million, five hundred thirteen thousand, fifty-five".