Search a number
-
+
55455000511 = 101658183431
BaseRepresentation
bin110011101001011000…
…000010011110111111
312022010202100220112211
4303221120002132333
51402032440004021
641250425041251
74002140504221
oct635130023677
9168122326484
1055455000511
11215779a1739
12a8b7926227
1352c9c59391
142980dd2411
1516987263e1
hexce96027bf

55455000511 has 8 divisors (see below), whose sum is σ = 56013241248. Its totient is φ = 54896940000.

The previous prime is 55455000499. The next prime is 55455000527. The reversal of 55455000511 is 11500055455.

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 55455000511 - 211 = 55454998463 is a prime.

It is a super-2 number, since 2×554550005112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55455000551) 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, 622966 + ... + 706396.

It is an arithmetic number, because the mean of its divisors is an integer number (7001655156).

Almost surely, 255455000511 is an apocalyptic number.

55455000511 is a deficient number, since it is larger than the sum of its proper divisors (558240737).

55455000511 is a wasteful number, since it uses less digits than its factorization.

55455000511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90113.

The product of its (nonzero) digits is 12500, while the sum is 31.

Adding to 55455000511 its reverse (11500055455), we get a palindrome (66955055966).

The spelling of 55455000511 in words is "fifty-five billion, four hundred fifty-five million, five hundred eleven", and thus it is an aban number.

Divisors: 1 101 6581 83431 664681 8426531 549059411 55455000511