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55893431 = 1119725793
BaseRepresentation
bin1101010100110…
…1110110110111
310220011200101002
43111031312313
5103302042211
65313553515
71246041416
oct325156667
9126150332
1055893431
1129606620
121687589b
13b76ca49
1475cd47d
154d9103b
hex354ddb7

55893431 has 8 divisors (see below), whose sum is σ = 61286544. Its totient is φ = 50552320.

The previous prime is 55893419. The next prime is 55893491. The reversal of 55893431 is 13439855.

It is a happy number.

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 55893431 - 26 = 55893367 is a prime.

It is a super-2 number, since 2×558934312 = 6248151257903522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55893491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10730 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (7660818).

Almost surely, 255893431 is an apocalyptic number.

55893431 is a deficient number, since it is larger than the sum of its proper divisors (5393113).

55893431 is a wasteful number, since it uses less digits than its factorization.

55893431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26001.

The product of its digits is 64800, while the sum is 38.

The square root of 55893431 is about 7476.1909419169. The cubic root of 55893431 is about 382.3433929640.

The spelling of 55893431 in words is "fifty-five million, eight hundred ninety-three thousand, four hundred thirty-one".

Divisors: 1 11 197 2167 25793 283723 5081221 55893431