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55379883 = 31323107577
BaseRepresentation
bin1101001101000…
…0011110101011
310212012120220210
43103100132223
5103134124013
65254552203
71241502246
oct323203653
9125176823
1055379883
11292957a9
1216668663
13b620080
1474d825d
154cddcc3
hex34d07ab

55379883 has 32 divisors (see below), whose sum is σ = 83897856. Its totient is φ = 32237568.

The previous prime is 55379881. The next prime is 55379899. The reversal of 55379883 is 38897355.

It is a happy number.

It is not a de Polignac number, because 55379883 - 21 = 55379881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55379881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95691 + ... + 96267.

It is an arithmetic number, because the mean of its divisors is an integer number (2621808).

Almost surely, 255379883 is an apocalyptic number.

55379883 is a deficient number, since it is larger than the sum of its proper divisors (28517973).

55379883 is a wasteful number, since it uses less digits than its factorization.

55379883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its digits is 907200, while the sum is 48.

The square root of 55379883 is about 7441.7661210226. The cubic root of 55379883 is about 381.1687997632.

The spelling of 55379883 in words is "fifty-five million, three hundred seventy-nine thousand, eight hundred eighty-three".

Divisors: 1 3 13 23 39 69 107 299 321 577 897 1391 1731 2461 4173 7383 7501 13271 22503 31993 39813 61739 95979 172523 185217 517569 802607 1419997 2407821 4259991 18459961 55379883