55265456257 has 4 divisors (see below), whose sum is σ = 60289588656. Its totient is φ = 50241323860.

The previous prime is 55265456251. The next prime is 55265456263. The reversal of 55265456257 is 75265456255.

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 an interprime number because it is at equal distance from previous prime (55265456251) and next prime (55265456263).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55265456257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55265456251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512066183 + ... + 2512066204.

It is an arithmetic number, because the mean of its divisors is an integer number (15072397164).

Almost surely, 2^55265456257 is an apocalyptic number.

It is an amenable number.

55265456257 is a deficient number, since it is larger than the sum of its proper divisors (5024132399).

55265456257 is a wasteful number, since it uses less digits than its factorization.

55265456257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024132398.

The product of its digits is 12600000, while the sum is 52.

The spelling of 55265456257 in words is "fifty-five billion, two hundred sixty-five million, four hundred fifty-six thousand, two hundred fifty-seven".