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55814893 = 1722314723
BaseRepresentation
bin1101010011101…
…0101011101101
310220000200122021
43110322223231
5103242034033
65312150141
71245263431
oct324725355
9126020567
1055814893
1129562612
1216838351
13b743084
1475ac9c1
154d77b2d
hex353aaed

55814893 has 8 divisors (see below), whose sum is σ = 59367168. Its totient is φ = 52292544.

The previous prime is 55814873. The next prime is 55814909. The reversal of 55814893 is 39841855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-55814893 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 (55814873) 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, 3571 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (7420896).

Almost surely, 255814893 is an apocalyptic number.

It is an amenable number.

55814893 is a deficient number, since it is larger than the sum of its proper divisors (3552275).

55814893 is a wasteful number, since it uses less digits than its factorization.

55814893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963.

The product of its digits is 172800, while the sum is 43.

The square root of 55814893 is about 7470.9365544087. The cubic root of 55814893 is about 382.1642272399.

It can be divided in two parts, 558 and 14893, that added together give a palindrome (15451).

The spelling of 55814893 in words is "fifty-five million, eight hundred fourteen thousand, eight hundred ninety-three".

Divisors: 1 17 223 3791 14723 250291 3283229 55814893