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54808911 = 327383423
BaseRepresentation
bin1101000100010…
…1000101001111
310211010120200200
43101011011033
5103012341121
65234424543
71233603513
oct321050517
9124116620
1054808911
1128a35823
1216432153
13b480211
1473ca143
154c29a26
hex344514f

54808911 has 12 divisors (see below), whose sum is σ = 80253888. Its totient is φ = 36038304.

The previous prime is 54808907. The next prime is 54808973. The reversal of 54808911 is 11980845.

It is not a de Polignac number, because 54808911 - 22 = 54808907 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54808111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41055 + ... + 42368.

It is an arithmetic number, because the mean of its divisors is an integer number (6687824).

Almost surely, 254808911 is an apocalyptic number.

54808911 is a deficient number, since it is larger than the sum of its proper divisors (25444977).

54808911 is a wasteful number, since it uses less digits than its factorization.

54808911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83502 (or 83499 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 54808911 is about 7403.3040596750. The cubic root of 54808911 is about 379.8543093391.

The spelling of 54808911 in words is "fifty-four million, eight hundred eight thousand, nine hundred eleven".

Divisors: 1 3 9 73 219 657 83423 250269 750807 6089879 18269637 54808911