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55344185756837 = 149936920737663
BaseRepresentation
bin11001001010101110100101…
…00010000100110010100101
321020221212000110111102201122
430211113102202010302211
524223224343023204322
6313412433513103325
714441325342016265
oct1445272242046245
9236855013442648
1055344185756837
11166a8379048a5a
12625a0a79b7b45
1324b5c1b928093
14d9495c5697a5
1565e968c41442
hex3255d2884ca5

55344185756837 has 4 divisors (see below), whose sum is σ = 55381106496000. Its totient is φ = 55307265017676.

The previous prime is 55344185756747. The next prime is 55344185756857. The reversal of 55344185756837 is 73865758144355.

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 55344185756837 - 238 = 55069307849893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55344185756857) 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, 18460367333 + ... + 18460370330.

It is an arithmetic number, because the mean of its divisors is an integer number (13845276624000).

Almost surely, 255344185756837 is an apocalyptic number.

It is an amenable number.

55344185756837 is a deficient number, since it is larger than the sum of its proper divisors (36920739163).

55344185756837 is a wasteful number, since it uses less digits than its factorization.

55344185756837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36920739162.

The product of its digits is 1693440000, while the sum is 71.

The spelling of 55344185756837 in words is "fifty-five trillion, three hundred forty-four billion, one hundred eighty-five million, seven hundred fifty-six thousand, eight hundred thirty-seven".

Divisors: 1 1499 36920737663 55344185756837