55256276280547 has 4 divisors (see below), whose sum is σ = 55533946010800. Its totient is φ = 54978606550296.

The previous prime is 55256276280529. The next prime is 55256276280571. The reversal of 55256276280547 is 74508267265255.

It is a happy number.

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 55256276280547 - 2²³ = 55256267891939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55256276280587) 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, 138834864828 + ... + 138834865225.

It is an arithmetic number, because the mean of its divisors is an integer number (13883486502700).

Almost surely, 2^{55256276280547} is an apocalyptic number.

55256276280547 is a deficient number, since it is larger than the sum of its proper divisors (277669730253).

55256276280547 is a wasteful number, since it uses less digits than its factorization.

55256276280547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277669730252.

The product of its (nonzero) digits is 282240000, while the sum is 64.

The spelling of 55256276280547 in words is "fifty-five trillion, two hundred fifty-six billion, two hundred seventy-six million, two hundred eighty thousand, five hundred forty-seven".