Search a number
-
+
55255606423 = 193573285451
BaseRepresentation
bin110011011101011111…
…011010010010010111
312021121212011122021121
4303131133122102113
51401130413401143
641214543224411
73664166622313
oct633537322227
9167555148247
1055255606423
1121485392a36
12a860ba8107
135297854b04
14296272ab43
151685e8b7ed
hexcdd7da497

55255606423 has 4 divisors (see below), whose sum is σ = 55256085448. Its totient is φ = 55255127400.

The previous prime is 55255606411. The next prime is 55255606451. The reversal of 55255606423 is 32460655255.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55255606423 - 25 = 55255606391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55255606423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255606403) 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, 50848 + ... + 336298.

It is an arithmetic number, because the mean of its divisors is an integer number (13814021362).

Almost surely, 255255606423 is an apocalyptic number.

55255606423 is a deficient number, since it is larger than the sum of its proper divisors (479025).

55255606423 is a wasteful number, since it uses less digits than its factorization.

55255606423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479024.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 55255606423 in words is "fifty-five billion, two hundred fifty-five million, six hundred six thousand, four hundred twenty-three".

Divisors: 1 193573 285451 55255606423