Search a number
-
+
55232066231 = 731327570161
BaseRepresentation
bin110011011100000101…
…100111001010110111
312021120012212200012122
4303130011213022313
51401103402104411
641212342510155
73663462550106
oct633405471267
9167505780178
1055232066231
1121473074931
12a85513535b
135292a021c4
14295d56003d
151683d8b9db
hexcdc1672b7

55232066231 has 8 divisors (see below), whose sum is σ = 56030960064. Its totient is φ = 54434315520.

The previous prime is 55232066179. The next prime is 55232066269. The reversal of 55232066231 is 13266023255.

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 55232066231 - 26 = 55232066167 is a prime.

It is a super-2 number, since 2×552320662312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55232066191 and 55232066200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55232066431) 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, 188210 + ... + 381951.

It is an arithmetic number, because the mean of its divisors is an integer number (7003870008).

Almost surely, 255232066231 is an apocalyptic number.

55232066231 is a deficient number, since it is larger than the sum of its proper divisors (798893833).

55232066231 is a wasteful number, since it uses less digits than its factorization.

55232066231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571561.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 55232066231 its reverse (13266023255), we get a palindrome (68498089486).

The spelling of 55232066231 in words is "fifty-five billion, two hundred thirty-two million, sixty-six thousand, two hundred thirty-one".

Divisors: 1 73 1327 96871 570161 41621753 756603647 55232066231