55256877361 has 8 divisors (see below), whose sum is σ = 63730082240. Its totient is φ = 46928513808.

The previous prime is 55256877359. The next prime is 55256877373. The reversal of 55256877361 is 16377865255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55256877361 - 2¹ = 55256877359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55256877961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36209511 + ... + 36211036.

It is an arithmetic number, because the mean of its divisors is an integer number (7966260280).

Almost surely, 2^55256877361 is an apocalyptic number.

It is an amenable number.

55256877361 is a deficient number, since it is larger than the sum of its proper divisors (8473204879).

55256877361 is a wasteful number, since it uses less digits than its factorization.

55256877361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72420663.

The product of its digits is 10584000, while the sum is 55.

It can be divided in two parts, 5525 and 6877361, that added together give a palindrome (6882886).

The spelling of 55256877361 in words is "fifty-five billion, two hundred fifty-six million, eight hundred seventy-seven thousand, three hundred sixty-one".